Medium severity · published May 16, 2025
CVE-2025-4804
WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in Hotpot Configuration
4.8
CVSS
0.5%
EPSS
No
On KEV
Description
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS allows Stored XSS via the spamBlocker module. This vulnerability requires an authenticated administrator session to a locally managed Firebox.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 40% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
Fireware OS · WatchGuard
12.0 before 12.11.2; 12.5 before 12.5.13 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-4804
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-4804
psirt.watchguard.com
https://psirt.watchguard.com/CVE-2025-4804
www.watchguard.com
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00006
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