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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 re…

Info
CVECVE-2025-4804
First seen2026-08-08 04:15 UTC
Disclosed2025-05-16 21:15 UTC
Last updated2026-08-08 04:15 UTC
Channel statusauto

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 session to a locally managed Firebox.

In-depth triage · Auto channel

No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).

Lint boundary warnings (2)

The following non-blocking warnings were raised during the lint phase of this triage (e.g. reference URLs not yet on the allowlist). They do not affect entry usability and are disclosed for transparency (see DR-002).

  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://psirt.watchguard.com/CVE-2025-4804
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00006

Sources

  • NVD DATABASE

Original Links

Timeline

  1. nvd_ingest NVD