CVE-2025-11717

# CVE-2025-11717 Proof of Concept # Vulnerability: Firefox Android Card Carousel Password Screen Information Disclosure # Affected: Firefox < 144 on Android # Fixed in: Firefox 144 # Steps to reproduce: # 1. Install Firefox < 144 on an Android device # 2. Navigate to about:logins # 3. Select a saved password entry and tap to edit it # 4. The password edit screen is now displayed with password fields visible # 5. Press the Android Recent Apps button (task switcher) # 6. Observe the Firefox card preview - it shows the password edit screen # with sensitive password information visible # No code-level exploit is needed; this is a UI snapshot leakage vulnerability. # The vulnerability can be demonstrated by following the steps above on a # vulnerable Firefox Android version. # Verification script (conceptual): import subprocess def check_vulnerability(): """ Check if the installed Firefox version is vulnerable to CVE-2025-11717 """ # Get Firefox version from Android device result = subprocess.run( ['adb', 'shell', 'dumpsys', 'package', 'org.mozilla.firefox', '|', 'grep', 'versionName'], capture_output=True, text=True ) version = result.stdout.strip() if version and int(version.split('.')[0]) < 144: print(f"[VULNERABLE] Firefox {version} is affected by CVE-2025-11717") print("The password edit screen may be leaked in Android task switcher") else: print(f"[SAFE] Firefox {version} is not affected (fixed in Firefox 144)") if __name__ == "__main__": check_vulnerability()

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