CVE-2025-13636

4.3 MEDIUM

📋 TL;DR

This vulnerability in Google Chrome's Split View feature allows attackers to perform UI spoofing by tricking users into performing specific UI gestures while visiting a malicious website. Attackers can make malicious content appear as legitimate browser UI elements, potentially tricking users into revealing sensitive information. All Chrome users on affected versions are vulnerable.

💻 Affected Systems

Products:
  • Google Chrome
  • Chromium-based browsers
Versions: All versions prior to 143.0.7499.41
Operating Systems: Windows, macOS, Linux, ChromeOS
Default Config Vulnerable: ⚠️ Yes
Notes: Requires user interaction with specific UI gestures while visiting a malicious website. Mobile versions may also be affected but not explicitly mentioned.

📦 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 →

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

Attackers could spoof browser UI elements like password prompts or security warnings, tricking users into entering credentials or sensitive information into attacker-controlled forms.

🟠

Likely Case

Attackers create convincing phishing pages that appear as legitimate browser UI, increasing success rates for credential theft or malware distribution.

🟢

If Mitigated

With proper user awareness training and browser security settings, users are less likely to fall for UI spoofing attempts, limiting impact to minor deception.

🌐 Internet-Facing: MEDIUM
🏢 Internal Only: LOW

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ⚠️ Yes
Complexity: MEDIUM

Exploitation requires convincing users to perform specific UI gestures while on a malicious site, making social engineering a key component.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 143.0.7499.41 and later

Vendor Advisory: https://chromereleases.googleblog.com/2025/12/stable-channel-update-for-desktop.html

Restart Required: Yes

Instructions:

1. Open Chrome menu > Help > About Google Chrome. 2. Chrome will automatically check for updates and install if available. 3. Click 'Relaunch' when prompted to complete the update.

🔧 Temporary Workarounds

Disable Split View

all

Prevent exploitation by disabling the Split View feature entirely

chrome://flags/#split-view
Set to 'Disabled'

Enable Enhanced Safe Browsing

all

Adds additional protection against malicious websites

chrome://settings/security
Enable 'Enhanced protection'

🧯 If You Can't Patch

  • Use alternative browsers until Chrome can be updated
  • Implement network filtering to block known malicious domains

🔍 How to Verify

Check if Vulnerable:

Check Chrome version via chrome://settings/help or 'About Google Chrome' in menu

Check Version:

google-chrome --version (Linux) or check via chrome://version

Verify Fix Applied:

Confirm Chrome version is 143.0.7499.41 or higher

📡 Detection & Monitoring

Log Indicators:

  • Unusual user reports of suspicious browser UI elements
  • Multiple failed authentication attempts from same user sessions

Network Indicators:

  • Connections to newly registered or suspicious domains with high entropy names

SIEM Query:

source="chrome_audit_logs" AND event="ui_interaction" AND action="split_view_gesture" AND destination_domain="*suspicious*"

🔗 References

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