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CVE-2026-13376

4.8 medium SSVC exploitation: none Modified
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 4.8 · watchguardNVD modified 2026-10-25 21:10

Affected (CPE criteria) 1

  • cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*

References 2