CVE-2024-11700: Mozilla Firefox

High severity, CVSS 8.1. EPSS: 0.5% chance of exploitation in the next 30 days.

Malicious websites may have been able to perform user intent confirmation through tapjacking. This could have led to users unknowingly approving the launch of external applications, potentially exposing them to underlying vulnerabilities. This vulnerability affects Firefox < 133 and Thunderbird < 133.

Affected products

• Mozilla Firefox: before 133.0 (fixed in 133.0)
• Mozilla Thunderbird: before 133.0 (fixed in 133.0)

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