diff --git a/app/assets/javascripts/discourse/tests/acceptance/create-account-external-test.js b/app/assets/javascripts/discourse/tests/acceptance/create-account-external-test.js
index 4c81e97023c3f..e6c8e608d9a6f 100644
--- a/app/assets/javascripts/discourse/tests/acceptance/create-account-external-test.js
+++ b/app/assets/javascripts/discourse/tests/acceptance/create-account-external-test.js
@@ -25,7 +25,8 @@ acceptance("Create Account - external auth", function (needs) {
     document.getElementById("data-authentication").remove();
   });
 
-  test("when skip is disabled (default)", async function (assert) {
+  test("when skip is disabled", async function (assert) {
+    this.siteSettings.auth_skip_create_confirm = false;
     await visit("/");
 
     assert.dom(".signup-fullpage").exists("it shows the signup page");
@@ -37,8 +38,7 @@ acceptance("Create Account - external auth", function (needs) {
       .doesNotExist("it does not show the associate link");
   });
 
-  test("when skip is enabled", async function (assert) {
-    this.siteSettings.auth_skip_create_confirm = true;
+  test("when skip is enabled (default)", async function (assert) {
     await visit("/");
 
     assert.dom(".signup-fullpage").exists("it shows the signup page");
@@ -58,6 +58,7 @@ acceptance("Create account - with associate link", function (needs) {
   });
 
   test("displays associate link when allowed", async function (assert) {
+    this.siteSettings.auth_skip_create_confirm = false;
     await visit("/");
 
     assert.dom(".signup-fullpage").exists("it shows the signup page");
diff --git a/config/site_settings.yml b/config/site_settings.yml
index de3f089733947..eee573a8b96b5 100644
--- a/config/site_settings.yml
+++ b/config/site_settings.yml
@@ -665,7 +665,7 @@ login:
     regex: "^[a-zA-Z0-9_=\\.]+$"
     secret: true
   auth_skip_create_confirm:
-    default: false
+    default: true
     client: true
   auth_immediately:
     default: true
diff --git a/db/migrate/20250604181345_disable_auth_skip_create_confirm_existing_sites.rb b/db/migrate/20250604181345_disable_auth_skip_create_confirm_existing_sites.rb
new file mode 100644
index 0000000000000..8229b77e3b7e8
--- /dev/null
+++ b/db/migrate/20250604181345_disable_auth_skip_create_confirm_existing_sites.rb
@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+class DisableAuthSkipCreateConfirmExistingSites < ActiveRecord::Migration[7.2]
+  def up
+    execute <<~SQL if Migration::Helpers.existing_site?
+        INSERT INTO site_settings(name, data_type, value, created_at, updated_at)
+        VALUES('auth_skip_create_confirm', 5, 'f', NOW(), NOW())
+        ON CONFLICT (name) DO NOTHING
+      SQL
+  end
+
+  def down
+    raise ActiveRecord::IrreversibleMigration
+  end
+end
diff --git a/spec/system/social_authentication_spec.rb b/spec/system/social_authentication_spec.rb
index 30d391fd351bc..8979b22993a0d 100644
--- a/spec/system/social_authentication_spec.rb
+++ b/spec/system/social_authentication_spec.rb
@@ -6,7 +6,11 @@
   let(:login_form) { PageObjects::Pages::Login.new }
   let(:signup_form) { PageObjects::Pages::Signup.new }
 
-  before { OmniAuth.config.test_mode = true }
+  before do
+    OmniAuth.config.test_mode = true
+    SiteSetting.auth_skip_create_confirm = false
+    SiteSetting.full_name_requirement = "optional_at_signup"
+  end
 end
 
 shared_examples "social authentication scenarios" do
@@ -269,19 +273,35 @@
     end
 
     context "when skipping the signup form" do
-      before do
-        SiteSetting.enable_google_oauth2_logins = true
-        SiteSetting.auth_skip_create_confirm = true
-      end
+      before { SiteSetting.auth_skip_create_confirm = true }
       after { reset_omniauth_config(:google_oauth2) }
 
-      it "creates the account directly" do
+      it "works with Google" do
+        SiteSetting.enable_google_oauth2_logins = true
         mock_google_auth
         visit("/")
 
         signup_form.open.click_social_button("google_oauth2")
         expect(page).to have_css(".header-dropdown-toggle.current-user")
       end
+
+      it "works with Github" do
+        SiteSetting.enable_github_logins = true
+        mock_github_auth
+        visit("/")
+
+        signup_form.open.click_social_button("github")
+        expect(page).to have_css(".header-dropdown-toggle.current-user")
+      end
+
+      it "works with Discord" do
+        SiteSetting.enable_discord_logins = true
+        mock_discord_auth
+        visit("/")
+
+        signup_form.open.click_social_button("discord")
+        expect(page).to have_css(".header-dropdown-toggle.current-user")
+      end
     end
 
     context "when there is only one external login method enabled" do
@@ -502,13 +522,11 @@
 end
 
 describe "Social authentication", type: :system do
-  before { SiteSetting.full_name_requirement = "optional_at_signup" }
-
-  context "when fullpage desktop" do
+  context "when desktop" do
     include_examples "social authentication scenarios"
   end
 
-  context "when fullpage mobile", mobile: true do
+  context "when mobile", mobile: true do
     include_examples "social authentication scenarios"
   end
 end