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TI-2025-01059 Aliases CVE-2025-1239GHSA-7f92-pjcc-3q4m

WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in Blocked Sites List

Priority LOW 23CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
None · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

A stored cross-site scripting (XSS) vulnerability exists in the management interface of WatchGuard Firebox appliances via the Blocked Sites list. An authenticated remote attacker with administrator privileges could exploit this vulnerability to execute arbitrary JavaScript code in the Firebox management interface of another management user.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00554 46th percentileScored 2026-11-07
Fix Fixed Fireware OS (WatchGuard): 12.11.1, 12.5.13

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
WatchGuardFireware OS12.0 to before 12.11.112.11.1Patch availableCNA
WatchGuardFireware OS12.0 to before 12.5.1312.5.13Patch availableCNA
  • Fireware OS VendorWatchGuard Affected 12.0 to before 12.11.1 Fixed in 12.11.1 Patch available CNA
  • Fireware OS VendorWatchGuard Affected 12.0 to before 12.5.13 Fixed in 12.5.13 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*——WatchGuard
  • cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:* Versions — — ·WatchGuard

Remediation

  • Fix · CNA Fireware OS (WatchGuard) Fixed in 12.11.1
  • Fix · CNA Fireware OS (WatchGuard) Fixed in 12.5.13

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    WatchGuard Fireware OS 12.11.1, 12.5.13

    3 records Highest priority Priority LOW 3 LOW

    Other records, highest priority first

    • TI-2025-00138 WatchGaurd Firebox Host Header Injection VulnerabilityPriority LOW 23
    • TI-2025-00909 WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in spamBlocker ModulePriority LOW 22
    Show all 3 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-1239
  2. 2026-10-03 Alias added: GHSA-7f92-pjcc-3q4m

References

Advisory 1

Other 1

  • TI-2022-09698 On WatchGuard Firebox and XTM appliances, an unauthenticated user can execute arbitrary… KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-13451 WatchGuard Firebox iked Out of Bounds Write Vulnerability KEVCVSS 4.0CRITICAL 9.3
  • TI-2025-08474 WatchGuard Firebox iked Out of Bounds Write Vulnerability KEVCVSS 4.0CRITICAL 9.3
  • TI-2022-07330 WatchGuard Firebox and XTM appliances allow a remote attacker with unprivileged… KEVCVSS 3.1HIGH 8.8
  • TI-2023-19293 A DLL hijacking vulnerability in Panda Security VPN for Windows prior to version v15.14.8… CVSS 3.1MEDIUM 6.5
  • TI-2015-04587 Watchguard XCS 9.2 and 10.0 before build 150522 allow remote authenticated users to… CVSS 2.0MEDIUM 6.5
See all 203 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences