CVE-2024-49754
MediumPublic exploitLibreNMS has a stored XSS ('Cross-site Scripting') in librenms/includes/html/pages/api-access.inc.php
Published Nov 15, 2024 · Updated Aug 12, 2026 · Also known as GHSA-gfwr-xqmj-j27v
Key Facts
Patch immediately- CVE-2024-49754 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 72% probability of exploitation in the next 30 days.
- Fixed versions are available, including Librenms 24.10.0, librenms/librenms 24.10.0.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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)
72%
Higher than 99.4% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2024-49754 brief as a PDF
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Description
LibreNMS is an open-source, PHP/MySQL/SNMP-based network monitoring system. A Stored Cross-Site Scripting (XSS) vulnerability in the API-Access page allows authenticated users to inject arbitrary JavaScript through the "token" parameter when creating a new API token. This vulnerability can result in the execution of malicious code in the context of other users' sessions, compromising their accounts and enabling unauthorized actions. This vulnerability is fixed in 24.10.0.
Affected Products
3 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| LibrenmsLibrenms | >= < 24.10.0 | 24.10.0 |
| librenms/librenmscomposer | See advisory | 24.10.0 |
Patched Releases
Librenms
24.10.0
librenms/librenms
24.10.0
Timeline
Publicly disclosed
Nov 15, 2024
Last updated
Aug 12, 2026
Weakness Type
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
References
- advisoryGHSA advisory
- advisoryhttps://github.com/CVEProject/cvelistV5/tree/main/cves/2024/49xxx/CVE-2024-49754.json
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2024-49754
- patchhttps://github.com/librenms/librenms/commit/25988a937cbaebd2ba4c0517510206c404dfb359
- exploithttps://github.com/librenms/librenms/security/advisories/GHSA-gfwr-xqmj-j27v
FAQ
Common Questions.
LibreNMS is an open-source, PHP/MySQL/SNMP-based network monitoring system.
Affected: Librenms versions >= < 24.10.0; librenms/librenms (composer). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Librenms 24.10.0, librenms/librenms 24.10.0.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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