SQL injection in Six Apart Ltd products - CVE-2026-33088
Published: April 8, 2026
Vulnerability identifier: #VU125193
CSH Severity: High
CVSS v4: 9.3 [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]
CVE-ID: CVE-2026-33088
CWE-ID: CWE-89
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary SQL queries in database.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.
Successful exploitation of this vulnerability may allow a remote attacker to read, delete, modify data in database and gain complete control over the affected application.
Affected software
Movable Type Premium (MT8-based)
Movable Type Premium
Movable Type Premium (Advanced Edition)
Movable Type
Movable Type Advanced
Movable Type Premium
Movable Type Premium (Advanced Edition)
Movable Type
Movable Type Advanced
How to mitigate CVE-2026-33088
Install updates from vendor's website.
Movable Type Premium (MT8-based) - addressed in versions 2.15, 9.0.7, 9.1.1
Movable Type Premium - addressed in versions 2.15, 9.0.7, 9.1.1
Movable Type Premium (Advanced Edition) - addressed in versions 2.15, 9.0.7, 9.1.1
Movable Type - addressed in versions 8.0.10, 8.8.3, 9.0.7, 9.1.1
Movable Type Advanced - addressed in versions 8.0.10, 8.8.3, 9.0.7, 9.1.1
Movable Type Premium - addressed in versions 2.15, 9.0.7, 9.1.1
Movable Type Premium (Advanced Edition) - addressed in versions 2.15, 9.0.7, 9.1.1
Movable Type - addressed in versions 8.0.10, 8.8.3, 9.0.7, 9.1.1
Movable Type Advanced - addressed in versions 8.0.10, 8.8.3, 9.0.7, 9.1.1