VulnerabilityDeferred

CVE-2026-22875

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

MEDIUM 4.8EPSS 0.22%

Does this matter?

Lower severity and a low EPSS score (0.22%). Track it; it rarely justifies an emergency change on its own.

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 4.0: 4.8 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.22% probability · 12th percentile
CISA KEV: Not listed
Weakness: CWE-79
Source: vultures@jpcert.or.jp

References

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

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.