CVE-2025-22888

MEDIUM

Movable Type 8.4.x < 8.4.1 and 8.0.x < 8.0.5 - Stored Cross-Site Scripting in Custom Block Edit Page

Title source: llm

Description

Movable Type contains a stored cross-site scripting vulnerability in the custom block edit page of MT Block Editor. If exploited, an arbitrary script may be executed on a logged-in user's web browser.

References (2)

Core 2

Core References

Third Party Advisory

https://jvn.jp/en/jp/JVN48742353/

Various Sources

https://www.movabletype.org/news/2025/02/mt-842-released.html

Scores

CVSS v3 5.4

EPSS 0.0021

EPSS Percentile 10.9%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-79

Status published

Products (8)

Six Apart Ltd./Movable Type (8.0.x series) 8.0.5 and earlier

Six Apart Ltd./Movable Type (8.4.x series) 8.4.1 and earlier

Six Apart Ltd./Movable Type Advanced (8.0.x series) 8.0.5 and earlier

Six Apart Ltd./Movable Type Advanced (8.4.x series) 8.4.1 and earlier

Six Apart Ltd./Movable Type Cloud Edition (8.x series) 8.4.1 and earlier

Six Apart Ltd./Movable Type Premium (2.x series) 2.06 and earlier

Six Apart Ltd./Movable Type Premium (Advanced Edition) (2.x series) 2.06 and earlier

Six Apart Ltd./Movable Type Premium Cloud Edition (2.x series) 2.06 and earlier

Published Feb 19, 2025

Tracked Since Feb 18, 2026