CVE-2025-11209
📋 TL;DR
This vulnerability allows attackers to spoof the URL bar (Omnibox) in Google Chrome on Android, making malicious websites appear legitimate. Users of Google Chrome on Android are affected when visiting crafted HTML pages. The spoofing could trick users into believing they're on a trusted site.
💻 Affected Systems
- Google Chrome for Android
📦 What is this software?
Chrome by Google
Google Chrome is the world's most popular web browser, used by over 3 billion users globally across Windows, macOS, Linux, Android, and iOS platforms. As a Chromium-based browser developed by Google, Chrome dominates the browser market with approximately 65% market share, making it a critical compon...
Learn more about Chrome →⚠️ Risk & Real-World Impact
Worst Case
Users could be tricked into entering sensitive information (passwords, credit cards) on phishing sites that appear to be legitimate banking or login pages.
Likely Case
Users might be redirected to phishing sites that appear legitimate, leading to credential theft or malware installation.
If Mitigated
With proper user awareness training and multi-factor authentication, the impact is reduced to minor inconvenience or failed phishing attempts.
🎯 Exploit Status
Exploitation requires user to visit a crafted HTML page. No authentication needed for the attack itself.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 141.0.7390.54
Vendor Advisory: https://chromereleases.googleblog.com/2025/09/stable-channel-update-for-desktop_30.html
Restart Required: Yes
Instructions:
1. Open Google Play Store 2. Search for 'Chrome' 3. Tap 'Update' if available 4. Restart Chrome after update
🔧 Temporary Workarounds
Use alternative browser
androidTemporarily use a different browser until Chrome is updated
Disable JavaScript
androidDisable JavaScript in Chrome settings to prevent exploitation
🧯 If You Can't Patch
- Educate users to manually verify URLs before entering credentials
- Implement web filtering to block known malicious sites
🔍 How to Verify
Check if Vulnerable:
Open Chrome on Android, go to Settings > About Chrome, check if version is below 141.0.7390.54Check Version:
chrome://version/ in Chrome address barVerify Fix Applied:
Confirm Chrome version is 141.0.7390.54 or higher in Settings > About Chrome📡 Detection & Monitoring
Log Indicators:
- Unusual URL patterns in browser logs
- Multiple failed login attempts from same IP
Network Indicators:
- Traffic to domains with suspicious certificate mismatches
- Redirects to URLs with unusual character encoding
SIEM Query:
source="chrome_logs" AND (url_contains="%00" OR url_contains("@") OR url_length>200)