CVE-2026-30643: Dedecms

Critical severity, CVSS 9.8. EPSS: 0.8% chance of exploitation in the next 30 days.

An issue was discovered in DedeCMS 5.7.118 allowing attackers to execute code via crafted setup tag values in a module upload.

Affected products

• Dedecms Dedecms: up to and including 5.7.118

Published 2026-04-01. Last modified 2026-06-17.