CVE-2024-5689: Mozilla Firefox

Medium severity, CVSS 4.3. EPSS: 0.4% chance of exploitation in the next 30 days.

In addition to detecting when a user was taking a screenshot (XXX), a website was able to overlay the 'My Shots' button that appeared, and direct the user to a replica Firefox Screenshots page that could be used for phishing. This vulnerability affects Firefox < 127.

Affected products

  • Mozilla Firefox: before 127.0 (fixed in 127.0)

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