librenms up to 24.10.x /ajax_form.php descr cross site scripting

Summaryinfo

A vulnerability identified as problematic has been detected in librenms up to 24.10.x. The impacted element is an unknown function of the file /ajax_form.php. The manipulation of the argument descr leads to cross site scripting. This vulnerability is listed as CVE-2025-23199. The attack may be initiated remotely. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in librenms up to 24.10.x and classified as problematic. This issue affects some unknown functionality of the file /ajax_form.php. The manipulation of the argument descr with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. The summary by CVE is:

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: descr. Librenms version 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.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2025-23199 since 01/13/2025. The exploitation is known to be easy. The attack may be initiated remotely. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

By approaching the search of inurl:ajax_form.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 24.11.0 eliminates this vulnerability.

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Productinfo

Name

• librenms

Version

• 24.0
• 24.1
• 24.2
• 24.3
• 24.4
• 24.5
• 24.6
• 24.7
• 24.8
• 24.9
• 24.10

License

• open-source

Website

• Product: https://github.com/librenms/librenms/

CPE 2.3info

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CPE 2.2info

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