CVE-2024-5689

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-06-11 · updated 2026-06-17

Description

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

How to fix

Upgrade to a fixed version: Mozilla Firefox 127.0. Check the vendor advisory for mitigations.

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1389707
https://www.mozilla.org/security/advisories/mfsa2024-25/
https://bugzilla.mozilla.org/show_bug.cgi?id=1389707
https://www.mozilla.org/security/advisories/mfsa2024-25/

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