XSS in Librenms

CVE-2021-43324

LibreNMS through 21.10.2 allows XSS via a widget title.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (46.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Librenms
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-43324?: CVE-2021-43324 is a medium-severity vulnerability in Librenms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-11-03.
How severe is CVE-2021-43324?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-43324 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.