CVE-2025-1239

Vulnerability Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS allows Stored XSS via the Blocked Sites list. This vulnerability requires an authenticated administrator session to a locally managed Firebox.This issue affects Fireware OS: from 12.0 through 12.5.12+701324, from 12.6 through 12.11.

Related Weaknesses (CWE)

CWE-79

References

https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00002

FAQ

What is CVE-2025-1239?

CVE-2025-1239 is a documented vulnerability. Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS allows Stored XSS via the Blocked Sites list. This vulnerability req...

How severe is CVE-2025-1239?

CVSS scoring is not yet available for CVE-2025-1239. Check NVD for updates.

Is there a patch for CVE-2025-1239?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.