Stored Cross-Site Scripting in WatchGuard Fireware OS
CVE-2025-1239

4.8MEDIUM

Key Information:

Vendor

Watchguard

Status
Fireware Os
Vendor
CVE Published:
14 February 2025

What is CVE-2025-1239?

An improperly handled input during web page generation in WatchGuard Fireware OS leads to a Stored Cross-Site Scripting (XSS) vulnerability. This security flaw allows attackers to inject malicious scripts into the Blocked Sites list. Exploitation of this vulnerability necessitates an authenticated administrator session on a locally managed Firebox, posing significant risks to the integrity and confidentiality of the system. Affected versions range from 12.0 through 12.5.12+701324 and 12.6 through 12.11, emphasizing the critical need for vigilant security measures and prompt updates.

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Affected Version(s)

Fireware OS 12.0 <= 12.5.12+701324

Fireware OS 12.6 <= 12.11

References

https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-...

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Simone Paganessi (https://www.linkedin.com/in/simonepaganessi)
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