CVE-2018-18743: Sem-CMS Semcms

Medium severity, CVSS 4.8. EPSS: 0.5% chance of exploitation in the next 30 days.

An XSS issue was discovered in SEMCMS 3.4 via the second text field to the admin/SEMCMS_Categories.php?pid=1&lgid=1 URI.

Affected products

• Sem-CMS Semcms: version 3.4 only

Published 2018-10-29. Last modified 2026-06-17.