diff --git a/packages/shared/forks/ReactFeatureFlags.native-fb.js b/packages/shared/forks/ReactFeatureFlags.native-fb.js
index 497a5b6bcf3a6..29acc05720225 100644
--- a/packages/shared/forks/ReactFeatureFlags.native-fb.js
+++ b/packages/shared/forks/ReactFeatureFlags.native-fb.js
@@ -44,7 +44,7 @@ export const enableBinaryFlight = true;
 export const enableTaint = true;
 export const enablePostpone = false;
 export const debugRenderPhaseSideEffectsForStrictMode = __DEV__;
-export const disableJavaScriptURLs = false;
+export const disableJavaScriptURLs = true;
 export const disableCommentsAsDOMContainers = true;
 export const disableInputAttributeSyncing = false;
 export const disableIEWorkarounds = true;
diff --git a/packages/shared/forks/ReactFeatureFlags.native-oss.js b/packages/shared/forks/ReactFeatureFlags.native-oss.js
index 67b220974b517..9d4a58fbb36c8 100644
--- a/packages/shared/forks/ReactFeatureFlags.native-oss.js
+++ b/packages/shared/forks/ReactFeatureFlags.native-oss.js
@@ -28,7 +28,7 @@ export const enableFormActions = true; // Doesn't affect Native
 export const enableBinaryFlight = true;
 export const enableTaint = true;
 export const enablePostpone = false;
-export const disableJavaScriptURLs = false;
+export const disableJavaScriptURLs = true;
 export const disableCommentsAsDOMContainers = true;
 export const disableInputAttributeSyncing = false;
 export const disableIEWorkarounds = true;
diff --git a/packages/shared/forks/ReactFeatureFlags.test-renderer.native.js b/packages/shared/forks/ReactFeatureFlags.test-renderer.native.js
index 4baed7ddd2b07..1f35d6d016bfa 100644
--- a/packages/shared/forks/ReactFeatureFlags.test-renderer.native.js
+++ b/packages/shared/forks/ReactFeatureFlags.test-renderer.native.js
@@ -28,7 +28,7 @@ export const enableFormActions = true; // Doesn't affect Test Renderer
 export const enableBinaryFlight = true;
 export const enableTaint = true;
 export const enablePostpone = false;
-export const disableJavaScriptURLs = false;
+export const disableJavaScriptURLs = true;
 export const disableCommentsAsDOMContainers = true;
 export const disableInputAttributeSyncing = false;
 export const disableIEWorkarounds = true;