CVE-2026-13375 — WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in Autotask Technology Integration Configuration

Description (CNA)

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS (Autotask Technology Integration module) allows Stored XSS. This vulnerability is an additional unmitigated attack path for CVE-2025-13938. 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 (CNA)

Vendor / product	Versions
WatchGuard / Fireware OS	affected 2025.1 before 2026.2.1; affected 12.4 before 12.12.1; affected 2025.1 through 2026.2
WatchGuard / Fireware OS	affected 12.4 before 12.11.9
WatchGuard / Fireware OS	affected 12.4 before 12.5.19

CWE

CWE-79

References

https://psirt.watchguard.com/CVE-2026-13375
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00017

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.