CVE-2023-4188: Instantcms

Critical severity, CVSS 9.1. EPSS: 0.9% chance of exploitation in the next 30 days.

SQL Injection 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 2023-08-05. Last modified 2026-06-17.