A user who enables full-screen mode on a specially crafted web page could potentially be prevented from exiting full screen mode. This may allow spoofing of other sites as the address bar is no longer visible.
*This bug only affects Firefox Focus for Android. Other versions of Firefox are unaffected.* This vulnerability affects Firefox < 131.

Related CVEs

CVE-2024-9391

Key Information

GHSA ID

GHSA-p5hw-4fxj-g4x6

Published

October 1, 2024 6:31 PM

Last Modified

November 22, 2024 9:32 PM

CVSS Score

5.0 /10

Primary Ecosystem

Unknown

Primary Package

Unknown

GitHub Reviewed

✗ No

Dataset

Last updated: September 12, 2025 6:34 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.