CVE-2024-4773: Mozilla Firefox

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

When a network error occurred during page load, the prior content could have remained in view with a blank URL bar. This could have been used to obfuscate a spoofed web site. This vulnerability affects Firefox < 126.

Affected products

• Mozilla Firefox: before 126.0 (fixed in 126.0)

Published 2024-05-14. Last modified 2026-06-17.