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No specific version numbers are enumerated; any installation lacking the latest patch may be vulnerable.", "description_and_impact": "Movable\u00a0Type contains a code injection flaw (CWE\u201194) that allows attackers to embed and run arbitrary Perl code. The vulnerability arises from insufficient validation of user\u2011supplied data in the blog entry processing component. Successful exploitation gives an attacker full control over the web server running the application, enabling data theft, modification, arbitrary code execution and potential lateral movement.", "risk_and_exploitability": "The flaw carries a CVSS score of 9.3, indicating a critical level of danger. An exploit probability score is not available, and the vulnerability is not listed in CISA\u2019s KEV catalog. The attack vector can be inferred to be remote through the web interface, requiring network access to the affected instance. Attackers would gain unrestricted control without additional privileges."}}}}, "created": "2026-04-08T19:39:58.508575+00:00", "title": "Code injection in Movable Type enables arbitrary Perl execution", "updated": "2026-04-09T08:21:55.972826+00:00", "vendors": ["six_apart", "six_apart$PRODUCT$movable_type", "six_apart$PRODUCT$movable_type_premium_(mt8-based)", "six_apart$PRODUCT$movable_type_premium_advanced_edition"]}