CVE-2026-13373: CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') in WatchGuard Fireware OS
CVE-2026-13373 is a stored cross-site scripting (XSS) vulnerability in WatchGuard Fireware OS affecting certain versions of the Tigerpaw Technology Integration module. It allows improper neutralization of input during web page generation, enabling an additional attack path related to a previous vulnerability (CVE-2025-13936). The affected versions include 12.4, 12.5, and 2025.1. The vulnerability has a medium severity rating with a CVSS score of 4.8.
AI Analysis
Technical Summary
This vulnerability in WatchGuard Fireware OS arises from improper neutralization of input during web page generation, leading to stored cross-site scripting (CWE-79). It affects the Tigerpaw Technology Integration module and provides an additional unmitigated attack vector related to CVE-2025-13936. The affected versions explicitly include 12.4, 12.5, and 2025.1. No official remediation or patch information is currently available, and there are no known exploits in the wild.
Potential Impact
Successful exploitation could allow an attacker with high privileges and partial user interaction to execute stored cross-site scripting attacks within the affected Fireware OS module. This could potentially lead to unauthorized script execution in the context of the affected web interface, but the impact is limited by the requirement for high privileges and user interaction. No further impact details or escalation vectors are provided.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary mitigation has been published at this time. Users should monitor WatchGuard advisories for updates and consider limiting access to the affected modules until a patch is available.
CVE-2026-13373: CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') in WatchGuard Fireware OS
Description
CVE-2026-13373 is a stored cross-site scripting (XSS) vulnerability in WatchGuard Fireware OS affecting certain versions of the Tigerpaw Technology Integration module. It allows improper neutralization of input during web page generation, enabling an additional attack path related to a previous vulnerability (CVE-2025-13936). The affected versions include 12.4, 12.5, and 2025.1. The vulnerability has a medium severity rating with a CVSS score of 4.8.
CVSS v4.0
Score 4.8medium
Affected software
pkg:github/watchguard/fireware-osRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in WatchGuard Fireware OS arises from improper neutralization of input during web page generation, leading to stored cross-site scripting (CWE-79). It affects the Tigerpaw Technology Integration module and provides an additional unmitigated attack vector related to CVE-2025-13936. The affected versions explicitly include 12.4, 12.5, and 2025.1. No official remediation or patch information is currently available, and there are no known exploits in the wild.
Potential Impact
Successful exploitation could allow an attacker with high privileges and partial user interaction to execute stored cross-site scripting attacks within the affected Fireware OS module. This could potentially lead to unauthorized script execution in the context of the affected web interface, but the impact is limited by the requirement for high privileges and user interaction. No further impact details or escalation vectors are provided.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary mitigation has been published at this time. Users should monitor WatchGuard advisories for updates and consider limiting access to the affected modules until a patch is available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WatchGuard
- Date Reserved
- 2026-06-25T20:30:45.709Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a46f27f27e9c797194fff9a
Added to database: 07/02/2026, 23:21:35 UTC
Last enriched: 07/02/2026, 23:37:45 UTC
Last updated: 07/03/2026, 00:28:59 UTC
Views: 4
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