CVE-2026-56058: Themecatcher Quform

Critical severity, CVSS 9.9. EPSS: 0.5% chance of exploitation in the next 30 days.

Subscriber Arbitrary File Upload in Quform <= 2.23.0 versions.

Affected products

• Themecatcher Quform: up to and including 2.23.0

Published 2026-06-26. Last modified 2026-06-26.