CVE-2023-4650: Instantcms

Medium severity, CVSS 4.7. EPSS: 0.5% chance of exploitation in the next 30 days.

Improper Access Control in GitHub repository instantsoft/icms2 prior to 2.16.1-git.

Affected products

• Instantcms Instantcms: before 2.16.1 (fixed in 2.16.1)

Published 2023-08-31. Last modified 2026-06-17.