CVE-2025-1239EPSS p42.1%

CVE-2025-1239CVE-2025-1239

Description

A stored cross-site scripting (XSS) vulnerability exists in the management interface of WatchGuard Firebox appliances via the Blocked Sites list. An authenticated remote attacker with administrator privileges could exploit this vulnerability to execute arbitrary JavaScript code in the Firebox management interface of another management user.

Scoring

EPSS0.53% probability of exploitation · percentile 42.1% · 2026-08-08T12:02:54Z
Last modified2026-08-08
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.