CVE-2026-13375: CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') in WatchGuard Fireware OS
CVE-2026-13375 is a stored Cross-site Scripting (XSS) vulnerability in WatchGuard Fireware OS affecting the Autotask Technology Integration module. It allows improper neutralization of input during web page generation, enabling an additional attack path related to CVE-2025-13938. The vulnerability affects specific versions of Fireware OS including 12.4, 12.5, and 2025.1. The CVSS 4.8 score indicates a medium severity level.
AI Analysis
Technical Summary
This vulnerability in WatchGuard Fireware OS arises from improper input neutralization during web page generation, leading to stored XSS in the Autotask Technology Integration module. It provides an additional unmitigated attack vector related to a previously identified issue (CVE-2025-13938). The affected versions explicitly include 12.4, 12.5, and 2025.1. No official remediation or patch is currently documented, and no known exploits are reported in the wild.
Potential Impact
Successful exploitation could allow an attacker with high privileges and user interaction to execute stored cross-site scripting attacks, potentially leading to script execution in the context of the affected application. However, the vulnerability requires user interaction and high privileges, limiting the impact scope. There is no indication of confidentiality, integrity, or availability impact beyond the XSS vector.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround is documented at this time. Users should monitor WatchGuard advisories for updates and apply any future patches promptly. Given the requirement for high privileges and user interaction, limiting access to the affected modules and following best practices for user privilege management may reduce risk.
CVE-2026-13375: CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') in WatchGuard Fireware OS
Description
CVE-2026-13375 is a stored Cross-site Scripting (XSS) vulnerability in WatchGuard Fireware OS affecting the Autotask Technology Integration module. It allows improper neutralization of input during web page generation, enabling an additional attack path related to CVE-2025-13938. The vulnerability affects specific versions of Fireware OS including 12.4, 12.5, and 2025.1. The CVSS 4.8 score indicates a medium severity level.
CVSS v4.0
Score 4.8medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in WatchGuard Fireware OS arises from improper input neutralization during web page generation, leading to stored XSS in the Autotask Technology Integration module. It provides an additional unmitigated attack vector related to a previously identified issue (CVE-2025-13938). The affected versions explicitly include 12.4, 12.5, and 2025.1. No official remediation or patch is currently documented, and no known exploits are reported in the wild.
Potential Impact
Successful exploitation could allow an attacker with high privileges and user interaction to execute stored cross-site scripting attacks, potentially leading to script execution in the context of the affected application. However, the vulnerability requires user interaction and high privileges, limiting the impact scope. There is no indication of confidentiality, integrity, or availability impact beyond the XSS vector.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround is documented at this time. Users should monitor WatchGuard advisories for updates and apply any future patches promptly. Given the requirement for high privileges and user interaction, limiting access to the affected modules and following best practices for user privilege management may reduce risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WatchGuard
- Date Reserved
- 2026-06-25T20:31:08.245Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a46f27f27e9c797194fffa0
Added to database: 07/02/2026, 23:21:35 UTC
Last enriched: 07/02/2026, 23:37:33 UTC
Last updated: 07/03/2026, 02:56:28 UTC
Views: 7
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