CVE-2024-11694

firefox: thunderbird: CSP Bypass and XSS Exposure via Web Compatibility Shims

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Severity

Moderate

Red Hat Product Security

6.1

CVSS 3.1

Review impact separately from score.

Published · November 26, 2024

Updated · May 20, 2026

Description

The Mozilla Foundation's Security Advisory: Enhanced Tracking Protection's Strict mode may inadvertently allow a CSP frame-src bypass and DOM-based cross-site scripting (XSS) through the Google SafeFrame shim in the Web Compatibility extension. This issue could expose users to malicious frames masquerading as legitimate content.

Statement

Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 6.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')