CVE-2010-4509: Sixapart Movabletype

High severity, CVSS 10.0. EPSS: 1.5% chance of exploitation in the next 30 days.

Multiple unspecified vulnerabilities in Movable Type 4.x before 4.35 and 5.x before 5.04 have unknown impact and attack vectors related to the (1) mt:AssetProperty and (2) mt:EntryFlag tags.

Affected products

• Sixapart Movabletype: version 4.0 only; version 4.1 only; version 4.2 only; version 4.3 only; version 4.23 only; version 4.25 only; …

Published 2010-12-09. Last modified 2026-06-16.