Medium 4.8Published Feb 4, 2026

CVE-2026-22875Movable Type contains a stored cross-site scripting vulnerability in Export Sites.

Updated under an hour ago (Oct 27, 2026, 11:40 AM ET)

Does this affect you?

It affects Six Apart Ltd. Movable Type (Software Edition) and 5 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for Six Apart Ltd. Movable Type (Software Edition)

Exploited in the last 30 days

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: 4.8 MEDIUM (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Weakness (CWE): CWE-79
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: jpcert
NVD analysis: Deferred
Record last updated: Feb 4, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Six Apart Ltd. Movable Type (Software Edition) six_apart:movable_type_software_edition (from the name)	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)	CNA record
Six Apart Ltd. Movable Type Advanced (Software Edition) six_apart:movable_type_advanced_software_edition (from the name)	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)	CNA record
Six Apart Ltd. Movable Type Premium (Software Edition) six_apart:movable_type_premium_software_edition (from the name)	9.0.4 (MTP 9.0 series); 2.13 and earlier (MTP 2 series)	CNA record
Six Apart Ltd. Movable Type Premium (Advanced Edition) (Software Edition) six_apart:movable_type_premium_advanced_edition_software_edition (from the name)	9.0.4 (MTP 9.0 series); 2.13 and earlier (MTP 2 series)	CNA record
Six Apart Ltd. Movable Type (Cloud Edition) six_apart:movable_type_cloud_edition (from the name)	9.0.5 (9 series); 8.8.1 (8 series)	CNA record
Six Apart Ltd. Movable Type Premium (Cloud Edition) six_apart:movable_type_premium_cloud_edition (from the name)	9.0.5 (9 series); 2.12 (MTP 2 series)	CNA record

References

References

https://movabletype.org/news/2026/02/mt-906-released.html
https://www.sixapart.jp/movabletype/news/2026/02/04-1100.html
https://jvn.jp/en/jp/JVN45405689/

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.