CVE-2023-4978 Cross-site Scripting (XSS) - DOM in librenms/librenms
An attacker can execute arbitrary scripts in the victim's browser via DOM-based XSS in LibreNMS, potentially leading to session hijacking or data theft.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2023-4978?
CVE-2023-4978 is a critical cross-site scripting vulnerability in Librenms Librenms, published on 15 Sep 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Cross-site Scripting (XSS) - DOM in GitHub repository librenms/librenms prior to 23.9.0.
Weakness: CWE-79
Which versions are affected by CVE-2023-4978?
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-2023-4978?
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-2023-4978 being exploited?
There is no known exploitation of CVE-2023-4978 in the wild and no public exploit code.
Other vulnerabilities in Librenms Librenms
Sources
Also known as GHSA-qjpw-rg56-jh8v.