Description
A reflected cross-site scripting (XSS) vulnerability in the Fireware OS Web UI enabled execution of malicious JavaScript in the context of an authenticated management user's browser when they click on a specially crafted link.
Affected products
watchguard: fireware; watchguard: firebox m270; watchguard: firebox m290; watchguard: firebox m370; watchguard: firebox m390; watchguard: firebox m440; watchguard: firebox m4600; watchguard: firebox m470; watchguard: firebox m4800; watchguard: firebox m5600; watchguard: firebox m570; watchguard: firebox m5800; watchguard: firebox m590; watchguard: firebox m670; watchguard: firebox m690
References2
Metrics
- CVSS 3.1
-
6.1
MEDIUM
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 4.0
-
5.1
MEDIUM
Score source: CNA
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/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 - EPSS — exploit probability
- 0% percentile: 16 · as of 12 November 2026
- CWE
- CWE-79
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