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JS: Port firebase to data as models #19316

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6208017
Added test cases for `firebase` both client and server sides.
Napalys Apr 15, 2025
fdddcb1
Added `firebase` as `MaD`
Napalys Apr 15, 2025
0ed3758
Added additional test cases for `firebase-admin`
Napalys Apr 16, 2025
269bb3f
Added modeling of `firebase-admin` and some other functions.
Napalys Apr 16, 2025
009ff29
Cleaned up `firebase.model.yml` to remove duplicates and enhance read…
Napalys Apr 16, 2025
34dfa3d
Enhance Firebase model with `push`, `order*` and `limitToFirst` members.
Napalys Apr 16, 2025
9842d1d
Added test cases for global usage of firebase and with `Promise.all`
Napalys Apr 22, 2025
42604eb
Added MaD for global firebase variable.
Napalys Apr 22, 2025
b9026c8
Refactored `firebase` test cases to use inline expectations
Napalys Apr 22, 2025
7b572a0
Updated old test cases to work with `MaD` and adjusted `MaD` with mor…
Napalys Apr 23, 2025
bfc523c
Addded `Snapshot` to `Snapshot` awaited step.
Napalys Apr 23, 2025
464cec9
Merge branch 'main' into js/port_firebase
Napalys Apr 24, 2025
894fc13
Merge branch 'main' into js/port_firebase
Napalys May 1, 2025
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37 changes: 37 additions & 0 deletions javascript/ql/lib/ext/firebase.model.yml
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@@ -0,0 +1,37 @@
extensions:
- addsTo:
pack: codeql/javascript-all
extensible: typeModel
data:
- ["firebase/app", "global", "Member[firebase]"]

- ["FirebaseDB", "firebase/app", "Member[database].ReturnValue"]
- ["FirebaseDB", "firebase-functions", "Member[database]"]
- ["FirebaseDB", "firebase-admin", "Member[database].ReturnValue"]
- ["FirebaseDB", "FirebaseDBApp", "Member[database].ReturnValue"]
- ["FirebaseDB", "firebase.database.Database", ""]

- ["FirebaseDBApp", "firebase-admin", "Member[initializeApp,app].ReturnValue"]
- ["FirebaseDBApp", "firebase/app", "Member[initializeApp,app].ReturnValue"]
- ["FirebaseDBApp", "firebase/app", "Member[initializeApp].ReturnValue"]

- ["FirebaseDBRef", "FirebaseDB", "Member[ref,refFromURL].ReturnValue"]
- ["FirebaseDBRef", "FirebaseDBRef", "Member[child,once,on,push,set,then].ReturnValue"]
- ["FirebaseDBRef", "FirebaseDBRef", "Member[ref,root,parent,before,after]"]
- ["FirebaseDBRef", "FirebaseDBRef", "Member[endAt,startAt,orderByChild,orderByKey,orderByValue,orderByPriority,equalTo,limitToLast,limitToFirst].ReturnValue"]
- ["FirebaseDBRef", "FirebaseDBRef", "Member[onCreate,onUpdate,onWrite,onDelete,then,forEach].Argument[0].Parameter[0]"]
- ["FirebaseDBRef", "FirebaseDBRef", "Member[once,on].Argument[1].Parameter[0]"]

- ["Snapshot", "FirebaseDBRef", "Member[child,once,on,push,set,then].ReturnValue"]
- ["Snapshot", "FirebaseDBRef", "Member[before,after]"]
- ["Snapshot", "FirebaseDBRef", "Member[once,on].Argument[1].Parameter[0]"]
- ["Snapshot", "FirebaseDBRef", "Member[onCreate,onUpdate,onWrite,onDelete,transaction,then,forEach].Argument[0].Parameter[0]"]

- ["Snapshot", "Snapshot", "Awaited"]

- addsTo:
pack: codeql/javascript-all
extensible: sourceModel
data:
- ["FirebaseDBRef", "Member[transaction].Argument[0].Parameter[0]", 'remote']
- ["Snapshot", "Member[val,exportVal].ReturnValue", 'remote']
30 changes: 14 additions & 16 deletions javascript/ql/lib/semmle/javascript/frameworks/Firebase.qll
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Expand Up @@ -282,20 +282,18 @@ module Firebase {
* `firebase.database().ref().on('value', x => {...})`.
*/
DataFlow::SourceNode snapshot() { result = snapshot(DataFlow::TypeTracker::end()) }

/**
* A reference to a value obtained from a Firebase database.
*/
class FirebaseVal extends RemoteFlowSource {
FirebaseVal() {
exists(string name | this = snapshot().getAMethodCall(name) |
name = "val" or
name = "exportVal"
)
or
this = Database::transactionCallback().(DataFlow::FunctionNode).getParameter(0)
}

override string getSourceType() { result = "Firebase database" }
}
// /**
// * A reference to a value obtained from a Firebase database.
// */
// deprecated class FirebaseVal extends RemoteFlowSource {
// FirebaseVal() {
// exists(string name | this = snapshot().getAMethodCall(name) |
// name = "val" or
// name = "exportVal"
// )
// or
// this = Database::transactionCallback().(DataFlow::FunctionNode).getParameter(0)
// }
// override string getSourceType() { result = "Firebase database" }
// }
}
2 changes: 1 addition & 1 deletion javascript/ql/test/library-tests/frameworks/Firebase/src/import_assign.ts
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@@ -1,5 +1,5 @@
import firebase = require("firebase");

function test(db: firebase.database.Database) {
db.ref("hello");
db.ref("hello"); // $firebaseRef
}
2 changes: 1 addition & 1 deletion javascript/ql/test/library-tests/frameworks/Firebase/src/import_named.ts
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@@ -1,5 +1,5 @@
import { database } from "firebase";

function test(db: database.Database) {
db.ref("hello");
db.ref("hello"); // $firebaseRef
}
2 changes: 1 addition & 1 deletion javascript/ql/test/library-tests/frameworks/Firebase/src/import_star.ts
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@@ -1,5 +1,5 @@
import * as firebase from "firebase";

function test(db: firebase.database.Database) {
db.ref("hello");
db.ref("hello"); // $firebaseRef
}
21 changes: 15 additions & 6 deletions javascript/ql/test/library-tests/frameworks/Firebase/tests.expected
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Expand Up @@ -3,33 +3,42 @@ firebaseRef
| src/import_named.ts:4:3:4:17 | db.ref("hello") |
| src/import_star.ts:4:3:4:17 | db.ref("hello") |
| tst.js:5:1:5:22 | fb.data ... ef('x') |
| tst.js:5:1:8:2 | fb.data ... eRef\\n}) |
| tst.js:5:38:5:38 | x |
| tst.js:7:3:7:7 | x.ref |
| tst.js:7:3:7:14 | x.ref.parent |
| tst.js:10:1:10:25 | admin.d ... ef('x') |
| tst.js:10:1:13:2 | admin.d ... eRef\\n}) |
| tst.js:10:41:10:41 | x |
| tst.js:12:3:12:7 | x.ref |
| tst.js:12:3:12:14 | x.ref.parent |
| tst.js:15:1:15:27 | functio ... ef('x') |
| tst.js:15:38:15:38 | x |
| tst.js:17:3:17:7 | x.ref |
| tst.js:17:3:17:14 | x.ref.parent |
| tst.js:20:1:20:27 | functio ... ef('x') |
| tst.js:20:38:20:38 | x |
| tst.js:21:3:21:10 | x.before |
| tst.js:22:3:22:9 | x.after |
| tst.js:23:3:23:7 | x.ref |
| tst.js:23:3:23:14 | x.ref.parent |
| tst.js:32:12:32:42 | this.fi ... .ref(x) |
| tst.js:46:12:46:42 | this.fi ... .ref(x) |
| tst.js:50:12:50:25 | this.getRef(x) |
| tst.js:50:12:50:34 | this.ge ... hild(x) |
| tst.js:50:12:50:48 | this.ge ... value') |
| tst.js:54:5:54:37 | this.fi ... ef('x') |
| tst.js:58:1:58:61 | new Fir ... /news') |
| tst.js:59:1:59:38 | new Fir ... /news') |
firebaseSnapshot
| tst.js:5:1:8:2 | fb.data ... ent;\\n}) |
| tst.js:5:1:8:2 | fb.data ... eRef\\n}) |
| tst.js:5:38:5:38 | x |
| tst.js:10:1:13:2 | admin.d ... ent;\\n}) |
| tst.js:10:1:13:2 | admin.d ... eRef\\n}) |
| tst.js:10:41:10:41 | x |
| tst.js:15:38:15:38 | x |
| tst.js:20:38:20:38 | x |
| tst.js:21:3:21:10 | x.before |
| tst.js:22:3:22:9 | x.after |
| tst.js:50:12:50:34 | this.ge ... hild(x) |
| tst.js:50:12:50:48 | this.ge ... value') |
| tst.js:60:1:60:39 | new Fir ... em('x') |
| tst.js:61:36:61:36 | x |
firebaseVal
| tst.js:6:3:6:9 | x.val() |
| tst.js:11:3:11:9 | x.val() |
Expand Down
12 changes: 9 additions & 3 deletions javascript/ql/test/library-tests/frameworks/Firebase/tests.ql
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@@ -1,10 +1,16 @@
import javascript

query predicate firebaseRef(DataFlow::SourceNode ref) { ref = Firebase::Database::ref() }
query predicate firebaseRef(DataFlow::SourceNode ref) {
ref = ModelOutput::getATypeNode("FirebaseDBRef").asSource()
}

query predicate firebaseSnapshot(DataFlow::SourceNode snap) { snap = Firebase::snapshot() }
query predicate firebaseSnapshot(DataFlow::SourceNode snap) {
snap = ModelOutput::getATypeNode("Snapshot").asSource()
}

query predicate firebaseVal(Firebase::FirebaseVal val) { any() }
query predicate firebaseVal(DataFlow::SourceNode val) {
val = ModelOutput::getASourceNode("remote").asSource()
}

query predicate requestInputAccess(Http::RequestInputAccess acc) { any() }

Expand Down
2 changes: 2 additions & 0 deletions javascript/ql/test/library-tests/frameworks/Firebase/tests.qlref
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@@ -0,0 +1,2 @@
query: tests.ql
postprocess: utils/test/InlineExpectationsTestQuery.ql
42 changes: 21 additions & 21 deletions javascript/ql/test/library-tests/frameworks/Firebase/tst.js
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Expand Up @@ -2,25 +2,25 @@ import * as fb from 'firebase/app';
import * as admin from 'firebase-admin';
import * as functions from 'firebase-functions';

fb.database().ref('x').once('value', x => {
x.val();
x.ref.parent;
});
fb.database().ref('x').once('value', x => { // $firebaseSnapshot $firebaseRef
x.val(); // $firebaseVal
x.ref.parent; // $firebaseRef
}); // $firebaseRef $firebaseSnapshot

admin.database().ref('x').once('value', x => {
x.val();
x.ref.parent;
});
admin.database().ref('x').once('value', x => { // $firebaseSnapshot $firebaseRef
x.val(); // $firebaseVal
x.ref.parent; // $firebaseRef
}); // $firebaseRef $firebaseSnapshot

functions.database.ref('x').onCreate(x => {
x.val();
x.ref.parent;
functions.database.ref('x').onCreate(x => {// $firebaseSnapshot $firebaseRef
x.val(); // $firebaseVal
x.ref.parent; // $firebaseRef
});

functions.database.ref('x').onUpdate(x => {
x.before.val();
x.after.val();
x.ref.parent;
functions.database.ref('x').onUpdate(x => { // $firebaseSnapshot $firebaseRef
x.before.val(); // $firebaseRef $firebaseSnapshot $firebaseVal
x.after.val(); // $firebaseRef $firebaseSnapshot $firebaseVal
x.ref.parent; // $firebaseRef
});

class FirebaseWrapper {
Expand All @@ -29,7 +29,7 @@ class FirebaseWrapper {
}

getRef(x) {
return this.firebase.database().ref(x);
return this.firebase.database().ref(x); // $firebaseRef
}
}

Expand All @@ -43,22 +43,22 @@ class FirebaseWrapper2 {
}

getRef(x) {
return this.firebase.database().ref(x);
return this.firebase.database().ref(x); // $firebaseRef
}

getNewsItem(x) {
return this.getRef(x).child(x).once('value');
return this.getRef(x).child(x).once('value'); // $firebaseRef $firebaseSnapshot
}

adjustValue(fn) {
this.firebase.database().ref('x').transaction(fn);
this.firebase.database().ref('x').transaction(fn); // $firebaseRef
}
}

new FirebaseWrapper(firebase.initializeApp()).getRef('/news');
new FirebaseWrapper2().getRef('/news');
new FirebaseWrapper2().getNewsItem('x');
new FirebaseWrapper2().adjustValue(x => x + 1);
new FirebaseWrapper2().adjustValue(x => x + 1); // $firebaseSnapshot $firebaseVal

class Box {
constructor(x) {
Expand All @@ -69,4 +69,4 @@ let box1 = new Box(fb.database());
let box2 = new Box(whatever());
box2.x.ref(); // not a firebase ref

functions.https.onRequest((req, res) => { res.send(req.params.foo); });
functions.https.onRequest((req, res) => { res.send(req.params.foo); }); // $routeHandler $requestInputAccess $responseSendArgument
50 changes: 50 additions & 0 deletions javascript/ql/test/query-tests/Security/CWE-079/DomBasedXss/Xss.expected
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Expand Up @@ -62,6 +62,19 @@
| dragAndDrop.ts:73:29:73:39 | droppedHtml | dragAndDrop.ts:71:27:71:61 | e.dataT ... /html') | dragAndDrop.ts:73:29:73:39 | droppedHtml | Cross-site scripting vulnerability due to $@. | dragAndDrop.ts:71:27:71:61 | e.dataT ... /html') | user-provided value |
| event-handler-receiver.js:2:31:2:83 | '<h2><a ... ></h2>' | event-handler-receiver.js:2:49:2:61 | location.href | event-handler-receiver.js:2:31:2:83 | '<h2><a ... ></h2>' | Cross-site scripting vulnerability due to $@. | event-handler-receiver.js:2:49:2:61 | location.href | user-provided value |
| express.js:6:15:6:33 | req.param("wobble") | express.js:6:15:6:33 | req.param("wobble") | express.js:6:15:6:33 | req.param("wobble") | Cross-site scripting vulnerability due to $@. | express.js:6:15:6:33 | req.param("wobble") | user-provided value |
| firebase-client.js:7:59:7:65 | x.val() | firebase-client.js:7:59:7:65 | x.val() | firebase-client.js:7:59:7:65 | x.val() | Cross-site scripting vulnerability due to $@. | firebase-client.js:7:59:7:65 | x.val() | user-provided value |
| firebase-client.js:8:59:8:79 | x.expor ... message | firebase-client.js:8:59:8:71 | x.exportVal() | firebase-client.js:8:59:8:79 | x.expor ... message | Cross-site scripting vulnerability due to $@. | firebase-client.js:8:59:8:71 | x.exportVal() | user-provided value |
| firebase-client.js:10:63:10:82 | parentSnapshot.val() | firebase-client.js:10:63:10:82 | parentSnapshot.val() | firebase-client.js:10:63:10:82 | parentSnapshot.val() | Cross-site scripting vulnerability due to $@. | firebase-client.js:10:63:10:82 | parentSnapshot.val() | user-provided value |
| firebase-client.js:14:54:14:70 | bioSnapshot.val() | firebase-client.js:14:54:14:70 | bioSnapshot.val() | firebase-client.js:14:54:14:70 | bioSnapshot.val() | Cross-site scripting vulnerability due to $@. | firebase-client.js:14:54:14:70 | bioSnapshot.val() | user-provided value |
| firebase-client.js:19:56:19:84 | `<div>$ ... </div>` | firebase-client.js:18:20:18:38 | childSnapshot.val() | firebase-client.js:19:56:19:84 | `<div>$ ... </div>` | Cross-site scripting vulnerability due to $@. | firebase-client.js:18:20:18:38 | childSnapshot.val() | user-provided value |
| firebase-client.js:25:59:25:65 | x.val() | firebase-client.js:25:59:25:65 | x.val() | firebase-client.js:25:59:25:65 | x.val() | Cross-site scripting vulnerability due to $@. | firebase-client.js:25:59:25:65 | x.val() | user-provided value |
| firebase-client.js:26:59:26:79 | x.expor ... message | firebase-client.js:26:59:26:71 | x.exportVal() | firebase-client.js:26:59:26:79 | x.expor ... message | Cross-site scripting vulnerability due to $@. | firebase-client.js:26:59:26:71 | x.exportVal() | user-provided value |
| firebase-client.js:28:63:28:82 | parentSnapshot.val() | firebase-client.js:28:63:28:82 | parentSnapshot.val() | firebase-client.js:28:63:28:82 | parentSnapshot.val() | Cross-site scripting vulnerability due to $@. | firebase-client.js:28:63:28:82 | parentSnapshot.val() | user-provided value |
| firebase-client.js:33:52:33:65 | snapshot.val() | firebase-client.js:33:52:33:65 | snapshot.val() | firebase-client.js:33:52:33:65 | snapshot.val() | Cross-site scripting vulnerability due to $@. | firebase-client.js:33:52:33:65 | snapshot.val() | user-provided value |
| firebase-client.js:38:56:38:67 | userData.bio | firebase-client.js:37:22:37:35 | snapshot.val() | firebase-client.js:38:56:38:67 | userData.bio | Cross-site scripting vulnerability due to $@. | firebase-client.js:37:22:37:35 | snapshot.val() | user-provided value |
| firebase-client.js:44:55:44:74 | parentSnapshot.val() | firebase-client.js:44:55:44:74 | parentSnapshot.val() | firebase-client.js:44:55:44:74 | parentSnapshot.val() | Cross-site scripting vulnerability due to $@. | firebase-client.js:44:55:44:74 | parentSnapshot.val() | user-provided value |
| firebase-client.js:52:57:52:70 | snapshot.val() | firebase-client.js:52:57:52:70 | snapshot.val() | firebase-client.js:52:57:52:70 | snapshot.val() | Cross-site scripting vulnerability due to $@. | firebase-client.js:52:57:52:70 | snapshot.val() | user-provided value |
| firebase-client.js:66:34:66:57 | "<p>" + ... "</p>" | firebase-client.js:65:23:65:36 | snapshot.val() | firebase-client.js:66:34:66:57 | "<p>" + ... "</p>" | Cross-site scripting vulnerability due to $@. | firebase-client.js:65:23:65:36 | snapshot.val() | user-provided value |
| jquery.js:7:5:7:34 | "<div i ... + "\\">" | jquery.js:2:17:2:40 | documen ... .search | jquery.js:7:5:7:34 | "<div i ... + "\\">" | Cross-site scripting vulnerability due to $@. | jquery.js:2:17:2:40 | documen ... .search | user-provided value |
| jquery.js:8:18:8:34 | "XSS: " + tainted | jquery.js:2:17:2:40 | documen ... .search | jquery.js:8:18:8:34 | "XSS: " + tainted | Cross-site scripting vulnerability due to $@. | jquery.js:2:17:2:40 | documen ... .search | user-provided value |
| jquery.js:10:5:10:40 | "<b>" + ... "</b>" | jquery.js:10:13:10:20 | location | jquery.js:10:5:10:40 | "<b>" + ... "</b>" | Cross-site scripting vulnerability due to $@. | jquery.js:10:13:10:20 | location | user-provided value |
Expand Down Expand Up @@ -352,6 +365,18 @@ edges
| dragAndDrop.ts:71:27:71:61 | e.dataT ... /html') | dragAndDrop.ts:71:13:71:61 | droppedHtml | provenance | |
| event-handler-receiver.js:2:49:2:61 | location.href | event-handler-receiver.js:2:31:2:83 | '<h2><a ... ></h2>' | provenance | |
| event-handler-receiver.js:2:49:2:61 | location.href | event-handler-receiver.js:2:31:2:83 | '<h2><a ... ></h2>' | provenance | Config |
| firebase-client.js:8:59:8:71 | x.exportVal() | firebase-client.js:8:59:8:79 | x.expor ... message | provenance | |
| firebase-client.js:18:13:18:38 | data | firebase-client.js:19:64:19:67 | data | provenance | |
| firebase-client.js:18:20:18:38 | childSnapshot.val() | firebase-client.js:18:13:18:38 | data | provenance | |
| firebase-client.js:19:64:19:67 | data | firebase-client.js:19:64:19:76 | data.username | provenance | |
| firebase-client.js:19:64:19:76 | data.username | firebase-client.js:19:56:19:84 | `<div>$ ... </div>` | provenance | |
| firebase-client.js:26:59:26:71 | x.exportVal() | firebase-client.js:26:59:26:79 | x.expor ... message | provenance | |
| firebase-client.js:37:11:37:35 | userData | firebase-client.js:38:56:38:63 | userData | provenance | |
| firebase-client.js:37:22:37:35 | snapshot.val() | firebase-client.js:37:11:37:35 | userData | provenance | |
| firebase-client.js:38:56:38:63 | userData | firebase-client.js:38:56:38:67 | userData.bio | provenance | |
| firebase-client.js:65:13:65:44 | message | firebase-client.js:66:42:66:48 | message | provenance | |
| firebase-client.js:65:23:65:36 | snapshot.val() | firebase-client.js:65:13:65:44 | message | provenance | |
| firebase-client.js:66:42:66:48 | message | firebase-client.js:66:34:66:57 | "<p>" + ... "</p>" | provenance | |
| jquery.js:2:7:2:40 | tainted | jquery.js:4:5:4:11 | tainted | provenance | |
| jquery.js:2:7:2:40 | tainted | jquery.js:5:13:5:19 | tainted | provenance | |
| jquery.js:2:7:2:40 | tainted | jquery.js:6:11:6:17 | tainted | provenance | |
Expand Down Expand Up @@ -954,6 +979,31 @@ nodes
| event-handler-receiver.js:2:31:2:83 | '<h2><a ... ></h2>' | semmle.label | '<h2><a ... ></h2>' |
| event-handler-receiver.js:2:49:2:61 | location.href | semmle.label | location.href |
| express.js:6:15:6:33 | req.param("wobble") | semmle.label | req.param("wobble") |
| firebase-client.js:7:59:7:65 | x.val() | semmle.label | x.val() |
| firebase-client.js:8:59:8:71 | x.exportVal() | semmle.label | x.exportVal() |
| firebase-client.js:8:59:8:79 | x.expor ... message | semmle.label | x.expor ... message |
| firebase-client.js:10:63:10:82 | parentSnapshot.val() | semmle.label | parentSnapshot.val() |
| firebase-client.js:14:54:14:70 | bioSnapshot.val() | semmle.label | bioSnapshot.val() |
| firebase-client.js:18:13:18:38 | data | semmle.label | data |
| firebase-client.js:18:20:18:38 | childSnapshot.val() | semmle.label | childSnapshot.val() |
| firebase-client.js:19:56:19:84 | `<div>$ ... </div>` | semmle.label | `<div>$ ... </div>` |
| firebase-client.js:19:64:19:67 | data | semmle.label | data |
| firebase-client.js:19:64:19:76 | data.username | semmle.label | data.username |
| firebase-client.js:25:59:25:65 | x.val() | semmle.label | x.val() |
| firebase-client.js:26:59:26:71 | x.exportVal() | semmle.label | x.exportVal() |
| firebase-client.js:26:59:26:79 | x.expor ... message | semmle.label | x.expor ... message |
| firebase-client.js:28:63:28:82 | parentSnapshot.val() | semmle.label | parentSnapshot.val() |
| firebase-client.js:33:52:33:65 | snapshot.val() | semmle.label | snapshot.val() |
| firebase-client.js:37:11:37:35 | userData | semmle.label | userData |
| firebase-client.js:37:22:37:35 | snapshot.val() | semmle.label | snapshot.val() |
| firebase-client.js:38:56:38:63 | userData | semmle.label | userData |
| firebase-client.js:38:56:38:67 | userData.bio | semmle.label | userData.bio |
| firebase-client.js:44:55:44:74 | parentSnapshot.val() | semmle.label | parentSnapshot.val() |
| firebase-client.js:52:57:52:70 | snapshot.val() | semmle.label | snapshot.val() |
| firebase-client.js:65:13:65:44 | message | semmle.label | message |
| firebase-client.js:65:23:65:36 | snapshot.val() | semmle.label | snapshot.val() |
| firebase-client.js:66:34:66:57 | "<p>" + ... "</p>" | semmle.label | "<p>" + ... "</p>" |
| firebase-client.js:66:42:66:48 | message | semmle.label | message |
| jquery.js:2:7:2:40 | tainted | semmle.label | tainted |
| jquery.js:2:17:2:40 | documen ... .search | semmle.label | documen ... .search |
| jquery.js:4:5:4:11 | tainted | semmle.label | tainted |
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