CVE-2026-6633: Yifang CMS

Low severity, CVSS 3.5. EPSS: 0.3% chance of exploitation in the next 30 days.

A security flaw has been discovered in Yifang CMS up to 2.0.5. The impacted element is the function store of the file plugins/yifang_backend_account/logic/admin/L_rbac_admin.php of the component Extended Management Module. The manipulation of the argument Account results in cross site scripting. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Yifang CMS: version 2.0.0 only; version 2.0.1 only; version 2.0.2 only; version 2.0.3 only; version 2.0.4 only; version 2.0.5 only

Published 2026-04-20. Last modified 2026-06-17.