CVE-2024-0776 LinZhaoguan pb-cms Comment cross site scripting

Low 3.5 Published 22 Jan 2024 Updated 17 Jun 2025

Remote attackers can execute arbitrary JavaScript in victim browsers via malicious input in the pb-cms comment handler.

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-2024-0776?

CVE-2024-0776 is a low-severity cross-site scripting vulnerability in LinZhaoguan pb-cms, published on 22 Jan 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

A vulnerability, which was classified as problematic, has been found in LinZhaoguan pb-cms 2.0. Affected by this issue is some unknown functionality of the component Comment Handler. The manipulation with the input <div onmouseenter="alert("xss)"> leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-251678 is the identifier assigned to this vulnerability.

Weakness: CWE-79

Which versions are affected by CVE-2024-0776?

It affects 1 product.

Products include Pb-Cms Project Pb-Cms.

How do I fix CVE-2024-0776?

No fix has been published for CVE-2024-0776 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-2024-0776 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-0776 exists.

Sources

Also known as GHSA-wrfm-gwm7-rmfj.