CyberRota Analysis
This is a medium severity vulnerability with a CVSS score of 6.5. It affects Firefox.
CVE
CVE-2025-6429
Severity
MEDIUM
CVSS
6.5
EPSS
0.30%
Firefox
Original NVD Description
Firefox could have incorrectly parsed a URL and rewritten it to the youtube.com domain when parsing the URL specified in an `embed` tag. This could have bypassed website security checks that restricted which domains users were allowed to embed. This vulnerability was fixed in Firefox 140, Firefox ESR 128.12, Thunderbird 140, and Thunderbird 128.12.
Related CVEs
Other vulnerabilities affecting the same vendor(s)