VULNERABILITY INTELLIGENCE

CVE-2026-13376

CVSS score4.8 MEDIUM
EPSS probability0.27%
CISA KEVNot currently listed
Published2026-07-03
Last modified2026-10-25
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS spamBlocker module allows Stored XSS. This vulnerability is an additional unmitigated attack path for CVE-2025-1071. This issue affects Fireware OS 12.0 up to and including 12.12, 12.5 up to and including 12.5.18, and 2025.1 up to and including 2026.2.

Weakness classification

  • 5d1c2695-1a31-4499-88ae-e847036fd7e3: CWE-79

Primary references