CVE-2024-45511 Cross-site scripting in n/a

Medium 6.1 Published 20 Nov 2024 Updated 20 Nov 2024

Reflected XSS in Zimbra Briefcase allows attackers to execute arbitrary JavaScript in victim sessions via crafted URLs.

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-2024-45511?

CVE-2024-45511 is a medium-severity cross-site scripting vulnerability in Synacor Zimbra Collaboration Suite, published on 20 Nov 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) through 10.1. A reflected Cross-Site Scripting (XSS) issue exists through the Briefcase module due to improper sanitization of file content by the OnlyOffice formatter. This occurs when the victim opens a crafted URL pointing to a shared folder containing a malicious file uploaded by the attacker. The vulnerability allows the attacker to execute arbitrary JavaScript in the context of the victim's session.

Weakness: CWE-79

Which versions are affected by CVE-2024-45511?

It affects 1 product.

Products include Synacor Zimbra Collaboration Suite.

How do I fix CVE-2024-45511?

No fix has been published for CVE-2024-45511 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-2024-45511 being exploited?

There is no known exploitation of CVE-2024-45511 in the wild and no public exploit code.

All Synacor Zimbra Collaboration Suite vulnerabilities

Sources

Also known as GHSA-fmpp-8f7j-vvr4.