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Fencer Vulns
medium 4.6

CVE-2025-23200 json

Stored XSS-LibreNMS-Misc Section in librenms

published 2025-01-16 21 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-0095 , GHSA-c66p-64fj-jmc2

cvss
4.6
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
49.3%
EPSS 49.3% chance of exploitation in 30 days, percentile 98%
public exploits
0
none known

Summary

librenms is a community-based GPL-licensed network monitoring system. Affected versions are subject to a stored XSS on the parameter: `ajax_form.php` -> param: state. Librenms versions up to 24.10.1 allow remote attackers to inject malicious scripts. When a user views or interacts with the page displaying the data, the malicious script executes immediately, leading to potential unauthorized actions or data exposure. This issue has been addressed in release version 24.11.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Patch / fix

  • packagist librenms/librenms 24.11.0
  • librenms librenms 24.11.0

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
21 mo ago

Exploit prediction

49.32% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/librenms/librenms/security/advisories/GHSA-c66p-64fj-jmc2 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 4.6 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
GitHub 3.1 4.6 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
packagist librenms/librenms
>=23.9.0, <24.11.0
24.11.0

Affected products

  • librenms librenms

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.