CVE-2026-13375
Received
Received - Intake
Stored XSS in WatchGuard Fireware OS via Autotask Integration
Vulnerability report for CVE-2026-13375, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-07-03
Last updated on: 2026-07-03
Assigner: WatchGuard Technologies, Inc.
Description
Description
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS (Autotask Technology Integration module) allows Stored XSS. This vulnerability is an additional unmitigated attack path for CVE-2025-13938.
This issue affects Fireware OS 12.4 up to and including 12.12, 12.5 up to and including 12.5.18, and 2025.1 up to and including 2026.2.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| watchguard | fireware_os | to 12.12 (inc) |
| watchguard | fireware_os | to 12.5.18 (inc) |
| watchguard | fireware_os | to 2026.2 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |