GHSA-g84x-g96g-rcjc
Librenms has a reflected XSS on error alert
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| Packagist | librenms/librenms | < 24.11.0 | 24.11.0 |
Details
As written in the advisory (Markdown source, shown as plain text).
XSS on the parameters:`/addhost` -> param: community
of Librenms versions 24.10.1 ([https://github.com/librenms/librenms](https://github.com/librenms/librenms)) allows 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.
**Proof of Concept:**
1. Navigate to the /addhost path.
2. Fill in all required fields.
3. In the Community field, enter the following payload: `"><img src=a onerror="alert(1)">`.
4. Submit the form to save changes.
5 The script will execute when the error alert "No reply with community + payload" appears.
**Impact:**
Execution of Malicious Code
References
External links from the advisory. They lead to third-party sites.