CVE-2023-0829 Cross-Site Scripting (XSS) vulnerability in Plesk

High 8.8 Published 20 Sep 2023 Updated 24 Sep 2024

A malicious subscription owner can compromise the server via XSS if an administrator visits a specific page related to the subscription.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-0829?

CVE-2023-0829 is a high-severity cross-site scripting vulnerability in Plesk, published on 20 Sep 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Plesk 17.0 through 18.0.31 version, is vulnerable to a Cross-Site Scripting. A malicious subscription owner (either a customer or an additional user), can fully compromise the server if an administrator visits a certain page in Plesk related to the malicious subscription.

Weakness: CWE-79

Which versions are affected by CVE-2023-0829?

It affects 1 product.

Products include Plesk Plesk.

How do I fix CVE-2023-0829?

No fix has been published for CVE-2023-0829 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-2023-0829 being exploited?

There is no known exploitation of CVE-2023-0829 in the wild and no public exploit code.

Sources

Also known as GHSA-f96r-wmpc-994r.