CVE-2024-28405: Sem-CMS Semcms

High severity, CVSS 7.2. EPSS: 0.8% chance of exploitation in the next 30 days.

SEMCMS 4.8 is vulnerable to Incorrect Access Control. The code installs SEMCMS_Funtion.php before checking if the admin is a valid user in the admin page because authentication function is called from there, users gain admin privileges.

Affected products

• Sem-CMS Semcms: version 4.8 only

Published 2024-03-29. Last modified 2026-06-17.