CVE-2012-1503: Sixapart Movable Type

Medium severity, CVSS 4.3. EPSS: 2% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in Six Apart (formerly Six Apart KK) Movable Type (MT) Pro 5.13 allows remote attackers to inject arbitrary web script or HTML via the comment section.

Affected products

• Sixapart Movable Type: version 5.13 only

Published 2014-08-29. Last modified 2026-06-16.