CVE-2007-0231: Six Apart Movable Type

Medium severity, CVSS 6.8. EPSS: 1.3% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in Movable Type (MT) 3.33, when nofollow is disabled and unmoderated comments are enabled, allows remote attackers to inject arbitrary web script or HTML via the Comments field.

Affected products

Published 2007-01-13. Last modified 2026-06-16.