PT-2025-6867 · Watchguard · Watchguard Fireware

Simone Paganessi · Published 2025-02-14 · Updated 2025-03-06 · CVE-2025-1239

Positive Technologies (AI Summary)

CVSS v4.0

4.8

Medium

Base vector

AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Name of the Vulnerable Software and Affected Versions: WatchGuard Fireware OS versions 12.0 through 12.5.12+701324 WatchGuard Fireware OS versions 12.6 through 12.11

Description: The issue is related to Improper Neutralization of Input During Web Page Generation, also known as Cross-site Scripting (XSS). This allows for Stored XSS via the Blocked Sites list. The vulnerability requires an authenticated administrator session to a locally managed Firebox.

Recommendations: For versions 12.0 through 12.5.12+701324, update to a version outside of this range to mitigate the risk. For versions 12.6 through 12.11, update to a version outside of this range to mitigate the risk. As a temporary workaround, consider restricting access to the Blocked Sites list until a patch is available.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-1239

Affected Products

Watchguard Fireware

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2025-1239 · Security Note
• https://t.me/cvedetector/18112 · Telegram Post
• https://watchguard.com/wgrd-psirt/advisory/wgsa-2025-00002 · Note
• https://twitter.com/drak3hft7/status/1897593218193097190 · Twitter Post
• https://t.me/cvenotify/111379 · Telegram Post
• https://twitter.com/CVEnew/status/1890411286728430072 · Twitter Post