CVE-2023-4982 Cross-site Scripting (XSS) - Stored in librenms/librenms

Critical 9.8 Published 15 Sep 2023 Updated 20 Sep 2024

Attackers can inject malicious scripts into LibreNMS, potentially executing code or hijacking user sessions.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2023-4982?

CVE-2023-4982 is a critical cross-site scripting vulnerability in Librenms Librenms, published on 15 Sep 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Cross-site Scripting (XSS) - Stored in GitHub repository librenms/librenms prior to 23.9.0.

Weakness: CWE-79

Which versions are affected by CVE-2023-4982?

2 open source packages ship an affected version, including librenms/librenms. It affects 1 product.

Package	Affected	Fixed in
`librenms/librenms` Packagist	All versions	`23.9.0`
`librenms/librenms` Packagist	All versions	`23.9.0`

Products include Librenms Librenms.

How do I fix CVE-2023-4982?

Upgrade librenms/librenms to 23.9.0 or later.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2023-4982 being exploited?

There is no known exploitation of CVE-2023-4982 in the wild and no public exploit code.

All Librenms Librenms vulnerabilities

Sources

Also known as GHSA-m6jj-fgmh-3p8r.