CVE-2026-25776

State: Published
Severity: 9.3 Critical
Published: Apr 8, 2026
Updated: Apr 8, 2026
Reserved: Mar 26, 2026

Description

Movable Type provided by Six Apart Ltd. contains a code injection vulnerability which may allow an attacker to execute arbitrary Perl script.

Scores

CVSS	Score	Vector	Source
4.0	9.3 Critical	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	jpcert
3.0	9.8 Critical	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	jpcert

Weaknesses

CWE-94 Code injection

Affected Products

Product	Versions
Movable TypeSix Apart Ltd.	9.1.0 and earlierAffected
Movable TypeSix Apart Ltd.	9.0.6 and earlierAffected
Movable TypeSix Apart Ltd.	8.8.2 and earlierAffected
Movable TypeSix Apart Ltd.	8.0.9 and earlierAffected
Movable Type AdvancedSix Apart Ltd.	9.1.0 and earlierAffected
Movable Type AdvancedSix Apart Ltd.	9.0.6 and earlierAffected
Movable Type AdvancedSix Apart Ltd.	8.8.2 and earlierAffected
Movable Type AdvancedSix Apart Ltd.	8.0.9 and earlierAffected
Movable Type PremiumSix Apart Ltd.	9.1.0 and earlierAffected
Movable Type PremiumSix Apart Ltd.	9.0.6 and earlierAffected
Movable Type Premium Advanced EditionSix Apart Ltd.	9.1.0 and earlierAffected
Movable Type Premium Advanced EditionSix Apart Ltd.	9.0.6 and earlierAffected
Movable Type PremiumSix Apart Ltd.	2.14 and earlierAffected
Movable Type Premium Advanced EditionSix Apart Ltd.	2.14 and earlierAffected
Movable Type Premium (MT8-based)Six Apart Ltd.	2.14 and earlierAffected
Movable TypeSix Apart Ltd.	5.1 to 5.18Affected
Movable TypeSix Apart Ltd.	5.2Affected 5.2.1 to 5.2.13Affected
Movable TypeSix Apart Ltd.	6.0Affected 6.0.1 to 6.8.8Affected
Movable TypeSix Apart Ltd.	7 r.4207 to r.5510Affected
Movable TypeSix Apart Ltd.	8.4.0 to 8.4.4Affected
Movable TypeSix Apart Ltd.	1.0 to 1.68Affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.