CVE-2018-19557: Arcms Project Arcms

Critical severity, CVSS 9.8. EPSS: 1.5% chance of exploitation in the next 30 days.

An issue was discovered in arcms through 2018-03-19. No authentication is required for index/main, user/useradd, or img/images.

Affected products

• Arcms Project Arcms: up to and including 2018-03-19

Published 2018-11-26. Last modified 2026-06-17.