CVE-2026-3743 YiFang CMS D_singlePageGroup.php update cross site scripting

Medium 5.1 Published 8 Mar 2026 Updated 11 Mar 2026

Remote attackers can inject malicious scripts via the Name argument in YiFang CMS, potentially leading to code execution or account takeover.

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-2026-3743?

CVE-2026-3743 is a medium-severity cross-site scripting vulnerability in YiFang CMS, published on 8 Mar 2026. 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 flaw has been found in YiFang CMS 2.0.5. This affects the function update of the file app/db/admin/D_singlePageGroup.php. Executing a manipulation of the argument Name can lead to cross site scripting. It is possible to launch the attack remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-94, CWE-79

Which versions are affected by CVE-2026-3743?

It affects 1 product.

Products include Yifangcms Yifang.

How do I fix CVE-2026-3743?

No fix has been published for CVE-2026-3743 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-2026-3743 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-3743 exists.

Sources

Also known as GHSA-v8m9-5jwp-92pf.