CVE-2024-2634 Multiple vulnerabilities on Meta4 HR from Cegid

Medium 6.1 Published 19 Mar 2024 Updated 1 Aug 2024

An attacker can execute arbitrary scripts in the Meta4 HR login page via the lang parameter, potentially stealing user sessions or data.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2024-2634?

CVE-2024-2634 is a medium-severity cross-site scripting vulnerability in Cegid Meta4 HR, published on 19 Mar 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A Cross-Site Scripting Vulnerability has been found on Meta4 HR affecting version 819.001.022 and earlier. The endpoint '/sse_generico/generico_login.jsp' is vulnerable to XSS attack via 'lang' query, i.e. '/sse_generico/generico_login.jsp?lang=%27%3balert(%27BLEUSS%27)%2f%2f&params='.

Weakness: CWE-79

Which versions are affected by CVE-2024-2634?

How do I fix CVE-2024-2634?

No fix has been published for CVE-2024-2634 yet. Limit exposure of the affected software until one is available.

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-2024-2634 being exploited?

There is no known exploitation of CVE-2024-2634 in the wild and no public exploit code.

Sources

Also known as GHSA-jm63-2957-r47v.