CVE-2024-49764 json
LibreNMS has a Stored XSS ('Cross-site Scripting') in librenms/includes/html/pages/device/capture.inc.php
published 2024-11-15 23 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-3311 , GHSA-rmr4-x6c9-jc68
- cvss
- 4.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 36%
- 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 "Capture Debug Information" page allows authenticated users to inject arbitrary JavaScript through the "hostname" parameter when creating a new device. This vulnerability results in the execution of malicious code when the "Capture Debug Information" page is visited, redirecting the user and sending non-httponly cookies to an attacker-controlled domain. 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
0.41% chance of exploitation in the next 30 days, higher than 36% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/librenms/librenms/security/advisories/GHSA-rmr4-x6c9-jc68 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.8 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |
| 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/af15eabbb1752985d36f337cecf137a947e170f6
web, patch
-
github.com
/librenms/librenms/security/advisories/GHSA-rmr4-x6c9-jc68
web, exploit, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2024-49764
advisory
-
github.com
/librenms/librenms
package
Sources
- CVE List CVE-2024-49764
- GitHub Advisory GHSA-rmr4-x6c9-jc68
- NVD CVE-2024-49764
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.