CVE-2023-34121 Cross-site scripting in Zoom Rooms Client for Windows

Medium 4.1 Published Updated

An authenticated user can exploit improper input validation in Zoom Windows clients to escalate privileges via network access.

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-2023-34121?

CVE-2023-34121 is a medium-severity cross-site scripting vulnerability in Zoom Rooms, published on 13 Jun 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

Improper input validation in the Zoom for Windows, Zoom Rooms, Zoom VDI Windows Meeting clients before 5.14.0 may allow an authenticated user to potentially enable an escalation of privilege via network access.

Weakness: CWE-79

Which versions are affected by CVE-2023-34121?

It affects 3 products.

Products include Zoom Rooms, Zoom Virtual Desktop Infrastructure, Zoom Zoom.

How do I fix CVE-2023-34121?

No fix has been published for CVE-2023-34121 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-2023-34121 being exploited?

There is no known exploitation of CVE-2023-34121 in the wild and no public exploit code.

All Zoom Rooms vulnerabilities

Sources

Also known as GHSA-3r5h-mjx6-6cjh.

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