What is CVE-2022-3231?

CVE-2022-3231 is a medium-severity vulnerability in Librenms, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-09-17.

How severe is CVE-2022-3231?

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

Is CVE-2022-3231 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Librenms

CVE-2022-3231

Cross-site Scripting (XSS) - Stored in GitHub repository librenms/librenms prior to 22.9.0.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-09-17 · 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: 0.007 (50.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.007 · change: +0.001

Affected products

Librenms
Librenms Librenms/librenms — versions unspecified

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

huntr.dev/bounties/bcb6ee68-1452-4fdb-932a-f1031d10984f (Exploit, Patch, Third Party Advisory)
github.com/librenms/librenms/commit/08050020861230ff96a6507b309cc172a9e70af8 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-3231?: CVE-2022-3231 is a medium-severity vulnerability in Librenms, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-09-17.
How severe is CVE-2022-3231?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2022-3231 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.