Medium severity · published Feb 4, 2026
CVE-2026-22875
Movable Type contains a stored cross-site scripting vulnerability in Export Sites
5.4
CVSS
0.2%
EPSS
No
On KEV
Description
Movable Type contains a stored cross-site scripting vulnerability in Export Sites. If crafted input is stored by an attacker, arbitrary script may be executed on a logged-in user's web browser. Note that Movable Type 7 series and 8.4 series, which are End-of-Life (EOL), are affected by the vulnerability as well.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MT
Movable Type (Cloud Edition) · Six Apart Ltd.
9.0.5 (9 series); 8.8.1 (8 series) · source: vendor
MT
Movable Type (Software Edition) · Six Apart Ltd.
9.0.4 to 9.0.5 (9.0 series); 8.8.0 to 8.8.1 (8.8 series); 8.0.2 to 8.0.8 (8.0 series) · source: vendor
MT
Movable Type Advanced (Software Edition) · Six Apart Ltd.
9.0.4 to 9.0.5 (9.0 series); 8.8.0 to 8.8.1 (8.8 series); 8.0.2 to 8.0.8 (8.0 series) · source: vendor
MT
Movable Type Premium (Advanced Edition) (Software Edition) · Six Apart Ltd.
9.0.4 (MTP 9.0 series); 2.13 and earlier (MTP 2 series) · source: vendor
MT
Movable Type Premium (Cloud Edition) · Six Apart Ltd.
9.0.5 (9 series); 2.12 (MTP 2 series) · source: vendor
MT
Movable Type Premium (Software Edition) · Six Apart Ltd.
9.0.4 (MTP 9.0 series); 2.13 and earlier (MTP 2 series) · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-22875
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-22875
jvn.jp
https://jvn.jp/en/jp/JVN45405689/
movabletype.org
https://movabletype.org/news/2026/02/mt-906-released.html
www.sixapart.jp
https://www.sixapart.jp/movabletype/news/2026/02/04-1100.html
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