{"id":"CVE-2025-4804","title":"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","summary":"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 …","severity":"none","cwe":["CWE-79"],"published":"2025-05-16","updated":"2026-08-08","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-4804","references":[{"url":"https://psirt.watchguard.com/CVE-2025-4804","label":"5d1c2695-1a31-4499-88ae-e847036fd7e3"},{"url":"https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00006","label":"5d1c2695-1a31-4499-88ae-e847036fd7e3"}],"tags":["nvd"],"epss":0.00446,"epssPercentile":0.38019,"ingestedAt":"2026-08-08T03:20:31.643Z","slug":"CVE-2025-4804","body":"## Overview\n\nImproper 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}