CVE-2024-49754 in the critical feed json
LibreNMS has a stored XSS ('Cross-site Scripting') in librenms/includes/html/pages/api-access.inc.php
published 2024-11-15 23 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-3253 , GHSA-gfwr-xqmj-j27v
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 73.9%
- EPSS 73.9% chance of exploitation in 30 days, percentile 99.4%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- packagist librenms/librenms 24.10.0
- librenms librenms 24.10.0
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 23 mo ago
Exploit prediction
73.91% chance of exploitation in the next 30 days, higher than 99.4% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/librenms/librenms/security/advisories/GHSA-gfwr-xqmj-j27v referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:L |
| GitHub | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:L |
| 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 | <24.10.0 |
24.10.0 |
Affected products
- librenms librenms
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/librenms/librenms/commit/25988a937cbaebd2ba4c0517510206c404dfb359
web, patch
-
github.com
/librenms/librenms/security/advisories/GHSA-gfwr-xqmj-j27v
web, exploit, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2024-49754
advisory
-
github.com
/librenms/librenms
package
Sources
- CVE List CVE-2024-49754
- GitHub Advisory GHSA-gfwr-xqmj-j27v
- NVD CVE-2024-49754
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.