CVE-2024-33536 Cross-site scripting in n/a

Medium 5.4 Published Updated

Authenticated attackers can execute arbitrary JavaScript in other users' browsers via a crafted URL, 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
None listed

What is CVE-2024-33536?

CVE-2024-33536 is a medium-severity cross-site scripting vulnerability in n/a, published on 12 Aug 2024. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0. The vulnerability occurs due to inadequate input validation of the res parameter, allowing an authenticated attacker to inject and execute arbitrary JavaScript code within the context of another user's browser session. By uploading a malicious JavaScript file, accessible externally, and crafting a URL containing its location in the res parameter, the attacker can exploit this vulnerability. Subsequently, when another user visits the crafted URL, the malicious JavaScript code is executed.

Weakness: CWE-79

Which versions are affected by CVE-2024-33536?

It affects 1 product.

Products include Zimbra Collaboration.

How do I fix CVE-2024-33536?

No fix has been published for CVE-2024-33536 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-2024-33536 being exploited?

There is no known exploitation of CVE-2024-33536 in the wild and no public exploit code.

Sources

Also known as GHSA-cxhc-c4pj-cchp.

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