CVE-2025-6946

4.8 mediumEPSS 0.2%

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

Severity

CVSS 4.0

4.8 medium

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

CVSS 3.1

4.8 medium

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 14% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2025-12-04
Modified: 2026-09-25
Record from: the NVD, synced 2026-10-19

Affected

watchguard:fireware

References

https://psirt.watchguard.com/CVE-2025-6946
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00011

Check your stack JSON