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CVE-2025-23200Librenms XSS

LibreNMS Misc Section Stored Cross-site Scripting vulnerability

Published Jan 16, 2025 · Updated Aug 12, 2026 · Also known as GHSA-c66p-64fj-jmc2

Key Facts

Routine patching
  • CVE-2025-23200 is a medium-severity vulnerability (CVSS 5.4 v3.1) affecting Librenms, librenms/librenms (composer).
  • It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
  • EPSS estimates a 31% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Librenms 24.11.0, librenms/librenms 24.10.1, librenms/librenms 24.11.0.
  • Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.

Scores

CVSS v3.1

5.4

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS (30-day exploit likelihood)

31%

Higher than 98.2% of all scored CVEs

Exploit maturity

Proof of concept

ATLAS score

37/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Not listed

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Proof of concept

Public exploit code

1

Proof-of-concept links

In-the-wild evidence

0

Reports of active use

Description

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.

Affected Products

3 affected entries in total
ProductAffected versionsFixed in
LibrenmsLibrenms>= < 24.11.024.11.0
librenms/librenmscomposer>= 23.9.024.11.0

Patched Releases

Librenms

24.11.0

librenms/librenms

24.10.1, 24.11.0

Timeline

  1. Publicly disclosed

    Jan 16, 2025

  2. Last updated

    Aug 12, 2026

Weakness Type

  • CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

References

2 more references in the full CVE brief

FAQ

Common Questions.

Is CVE-2025-23200 On Your Attack Surface?

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Figures as of Oct 19, 2026. Compiled by Brandefense technologies from public vulnerability catalogs; scoring as described in How it works.

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