medium
4
CWE
79
Advisory Published
Updated

REDHAT-BUG-2328941: XSS

First published: Tue Nov 26 2024(Updated: )

Enhanced Tracking Protection's Strict mode may have inadvertently allowed a CSP `frame-src` bypass and DOM-based XSS through the Google SafeFrame shim in the Web Compatibility extension. This issue could have exposed users to malicious frames masquerading as legitimate content. This vulnerability affects Firefox < 133, Firefox ESR < 128.5, Firefox ESR < 115.18, Thunderbird < 133, and Thunderbird < 128.5.

Affected SoftwareAffected VersionHow to fix
Firefox<133
Firefox ESR<128.5<115.18
Thunderbird<133

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