CyberRota Analysis
This is a medium severity vulnerability with a CVSS score of 4.3. It affects Firefox.
CVE
CVE-2025-5266
Severity
MEDIUM
CVSS
4.3
EPSS
0.28%
Firefox
Original NVD Description
Script elements loading cross-origin resources generated load and error events which leaked information enabling XS-Leaks attacks. This vulnerability was fixed in Firefox 139, Firefox ESR 128.11, Thunderbird 139, and Thunderbird 128.11.
Related CVEs
Other vulnerabilities affecting the same vendor(s)