What is CVE-2022-31792?

CVE-2022-31792 is a medium-severity vulnerability in Watchguard Fireware, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-09-06.

How severe is CVE-2022-31792?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Watchguard Fireware

CVE-2022-31792

A stored cross-site scripting (XSS) vulnerability exists in the management web interface of WatchGuard Firebox and XTM appliances. A remote attacker can potentially execute arbitrary JavaScript code in the management web interface by sending crafted requests to exposed management ports. This is fixed in Fireware OS 12.8.1, 12.5.10, and 12.1.4.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-09-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (46.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001

Affected products

Watchguard Fireware — versions 12.6.1, 12.6.3, 12.6.4

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.watchguard.com/wgrd-psirt/advisory/wgsa-2022-00014 (Vendor Advisory)

Frequently asked questions

What is CVE-2022-31792?: CVE-2022-31792 is a medium-severity vulnerability in Watchguard Fireware, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-09-06.
How severe is CVE-2022-31792?: Medium severity. CVSS v3 base score is 5.4 out of 10.