Unrated severityNVD Advisory· Published Jul 2, 2026· Updated Jul 6, 2026
WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in Tigerpaw Technology Integration Configuration
CVE-2026-13373
Description
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS (Tigerpaw Technology Integration module) allows Stored XSS. This vulnerability is an additional unmitigated attack path for CVE-2025-13936.
This issue affects Fireware OS 12.4 up to and including 12.12, 12.5 up to and including 12.5.18, and 2025.1 up to and including 2026.2.
Affected products
2- Range: 12.4 <= v <= 12.12, 12.5 <= v <= 12.5.18, 2025.1 <= v <= 2026.2
- Range: 12.4 <= v <= 12.12, 12.5 <= v <= 12.5.18, 2025.1 <= v <= 2026.2
Patches
Vulnerability mechanics
References
1- www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00015mitrevendor-advisory
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