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CVE-2026-13376

WatchGuard Fireware OS

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.

CVSS 4.8EPSS 0.169%Risk 0.49
View source
Published
2026-07-03 00:16:51
Affected versions
>=12.0,<=12.12, >=12.5,<=12.5.18, >=2025.1,<=2026.2
Type
Firmware
Last modified
2026-08-10 18:17:40
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N