CVE-2026-2934 YiFang CMS Extended Management D_friendLinkGroup.php update cross site scripting

Medium 4.8 Published 22 Feb 2026 Updated 25 Feb 2026

Attackers can inject malicious scripts via the Name argument in the Extended Management Module, potentially leading to session hijacking or code execution.

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

What is CVE-2026-2934?

CVE-2026-2934 is a medium-severity cross-site scripting vulnerability in YiFang CMS, published on 22 Feb 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

A security vulnerability has been detected in YiFang CMS up to 2.0.5. This impacts the function update of the file app/db/admin/D_friendLinkGroup.php of the component Extended Management Module. The manipulation of the argument Name leads to cross site scripting. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used.

Weakness: CWE-94, CWE-79

Which versions are affected by CVE-2026-2934?

It affects 1 product.

Products include Yifangcms Yifang.

How do I fix CVE-2026-2934?

No fix has been published for CVE-2026-2934 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-2026-2934 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-2934 exists.

Sources

Also known as GHSA-786c-jm2j-j6xw.