CVE-2024-50599 Cross-site scripting in n/a

Medium 6.1 Published 7 Nov 2024 Updated 8 Nov 2024

Attackers can inject malicious scripts into Zimbra webmail calendar endpoints, potentially leading to session hijacking or code execution.

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-2024-50599?

CVE-2024-50599 is a medium-severity cross-site scripting vulnerability in Synacor Zimbra Collaboration Suite, published on 7 Nov 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 reflected Cross-Site Scripting (XSS) vulnerability has been identified in Zimbra Collaboration Suite (ZCS) 8.8.15, affecting one of the webmail calendar endpoints. This arises from improper handling of user-supplied input, allowing an attacker to inject malicious code that is reflected back in the HTML response.

Weakness: CWE-79

Which versions are affected by CVE-2024-50599?

It affects 1 product.

Products include Synacor Zimbra Collaboration Suite.

How do I fix CVE-2024-50599?

No fix has been published for CVE-2024-50599 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-2024-50599 being exploited?

There is no known exploitation of CVE-2024-50599 in the wild and no public exploit code.

All Synacor Zimbra Collaboration Suite vulnerabilities

Sources

Also known as GHSA-hj33-fc7c-p84c.