CVE-2025-1239
MediumCVSS 4.8Exploitation Probability (EPSS)
Low risk42th percentile - higher than 42% of all known CVEs
Summary
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.
Risk Assessment
An attacker could hijack another administrator's session or perform unauthorized actions in the management interface, potentially leading to device compromise.
Recommendation
Apply WatchGuard updates for Firebox. Restrict access to the management interface and educate administrators about XSS risks.
Other vulnerabilities in WatchGuard Firebox
See all- CVE-2025-6946Medium
A stored XSS vulnerability exists in the management interface of WatchGuard Firebox appliances via the IPS configuration. An authenticated remote attacker with administrator privileges could execute arbitrary JavaScript code in the management interface of another user.
- CVE-2025-4106High
An authenticated admin user with access to both the management WebUI and command line interface on a Firebox can enable a diagnostic debug shell by uploading a platform and version-specific diagnostic package and executing a leftover diagnostic command.
- CVE-2025-6947Medium
A stored XSS vulnerability exists in the management interface of WatchGuard Firebox appliances via the SIP Proxy configuration. An authenticated remote attacker with administrator privileges could execute arbitrary JavaScript code in the management interface of another user.
- CVE-2025-4805Medium
A stored cross-site scripting (XSS) vulnerability exists in the management interface of WatchGuard Firebox appliances via the Access Portal configuration. 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.
- CVE-2025-1071Medium
A stored XSS vulnerability exists in the management interface of WatchGuard Firebox appliances via the spamBlocker module. An authenticated remote attacker with administrator privileges could execute arbitrary JavaScript code in the management interface of another user.
Original NVD description (English source)
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.