CVE-2022-4354 LinZhaoguan pb-cms Message Board comment cross site scripting

Medium 4.3 Published 8 Dec 2022 Updated 15 Apr 2025

Remote attackers can inject malicious scripts into the pb-cms message board comments, potentially compromising user sessions or executing code.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2022-4354?

CVE-2022-4354 is a medium-severity cross-site scripting vulnerability in LinZhaoguan pb-cms, published on 8 Dec 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A vulnerability was found in LinZhaoguan pb-cms 2.0 and classified as problematic. Affected by this issue is some unknown functionality of the file /blog/comment of the component Message Board. The manipulation leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-215114 is the identifier assigned to this vulnerability.

Weakness: CWE-79, CWE-707

Which versions are affected by CVE-2022-4354?

It affects 1 product.

Products include Pb-Cms Project Pb-Cms.

How do I fix CVE-2022-4354?

No fix has been published for CVE-2022-4354 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-2022-4354 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-4354 exists.

Sources

Also known as GHSA-w44g-65rv-h7cx.