Low severity · published Oct 1, 2024
CVE-2024-47526
LibreNMS is an open-source, PHP/MySQL/SNMP-based network monitoring system
2.4
CVSS
0.5%
EPSS
No
On KEV
Description
LibreNMS is an open-source, PHP/MySQL/SNMP-based network monitoring system. A Self Cross-Site Scripting (Self-XSS) vulnerability in the "Alert Templates" feature allows users to inject arbitrary JavaScript into the alert template's name. This script executes immediately upon submission but does not persist after a page refresh.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Librenms · Librenms
before 24.9.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-47526
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-47526
Product
https://github.com/librenms/librenms/blob/0e741e365aa974a74aee6b43d1b4b759158a5c7e/includes/html/forms/alert-templates.inc.php#L40
Product
https://github.com/librenms/librenms/blob/0e741e365aa974a74aee6b43d1b4b759158a5c7e/includes/html/modal/alert_template.inc.php#L205
Patch
https://github.com/librenms/librenms/commit/f259edc19b9f0ccca484c60b1ba70a0bfff97ef5
Exploit
https://github.com/librenms/librenms/security/advisories/GHSA-gcgp-q2jq-fw52
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