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CVE PROGRAM SOURCE RECORD4.8 Medium

CVE-2026-13377

WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in SIP Proxy Configuration

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Status
Published
Published
Updated
Assigning organization
WatchGuard

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS SIP Proxy module allows Stored XSS. This vulnerability is an additional unmitigated attack path for CVE-2025-6947.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

WatchGuard Fireware OS

Default version status: unaffected

  • 12.0 to < 12.11.9affected

WatchGuard Fireware OS

Default version status: unaffected

  • 2025.1 to < 2026.2.1affected
  • 12.0 to < 12.12.1affected

WatchGuard Fireware OS

Default version status: unaffected

  • 12.0 to < 12.5.19affected

References