CVE-2026-23704
- State
- Published
- Severity
- 5.1 Medium
- Published
- Feb 4, 2026
- Updated
- Feb 4, 2026
- Reserved
- Jan 29, 2026
Description
A non-administrative user can upload malicious files. When an administrator or the product accesses that file, an arbitrary script may be executed on the administrator's browser. Note that Movable Type 7 series and 8.4 series, which are End-of-Life (EOL), are affected by the vulnerability as well.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.1 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:L | jpcert |
| 3.0 | 6.5 Medium | CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L | jpcert |
Weaknesses
- CWE-434 Unrestricted upload of file with dangerous type
Affected Products
| Product | Versions |
|---|---|
Movable Type (Software Edition)Six Apart Ltd. |
|
Movable Type Advanced (Software Edition)Six Apart Ltd. |
|
Movable Type Premium (Software Edition)Six Apart Ltd. |
|
Movable Type Premium (Advanced Edition) (Software Edition)Six Apart Ltd. |
|
Movable Type (Cloud Edition)Six Apart Ltd. |
|
Movable Type Premium (Cloud Edition)Six Apart Ltd. |
|
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.