CVE-2024-11692: Mozilla Firefox

Medium severity, CVSS 4.3. EPSS: 0.5% chance of exploitation in the next 30 days.

An attacker could cause a select dropdown to be shown over another tab; this could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 133, Firefox ESR < 128.5, Thunderbird < 133, and Thunderbird < 128.5.

Affected products

• Mozilla Firefox: before 128.5.0 (fixed in 128.5.0); before 133.0 (fixed in 133.0)
• Mozilla Thunderbird: before 128.5 (fixed in 128.5); from 129.0, before 133.0 (fixed in 133.0)

Published 2024-11-26. Last modified 2026-06-17.