CVE-2020-5669: Sixapart Movable Type

Medium severity, CVSS 5.4. EPSS: 0.6% chance of exploitation in the next 30 days.

Cross-site scripting vulnerability in Movable Type Movable Type Premium 1.37 and earlier and Movable Type Premium Advanced 1.37 and earlier allows a remote authenticated attacker to inject an arbitrary script via unspecified vectors.

Affected products

• Sixapart Movable Type: up to and including 1.37

Published 2021-10-26. Last modified 2026-06-17.