Main Vulnerability Database Vulnerabilities #VU104051

Stored cross-site scripting in Six Apart Ltd products - CVE-2025-24841

Published: February 19, 2025

Vulnerability identifier: #VU104051

CSH Severity: Low

CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]

CVE-ID: CVE-2025-24841

CWE-ID: CWE-79

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in the HTML edit mode of MT Block Editor. A remote user can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Affected software

Movable Type Cloud Edition
Movable Type Premium Cloud Edition
Movable Type Premium Advanced
Movable Type Premium
Movable Type Advanced
Movable Type

How to mitigate CVE-2025-24841

Install update from vendor's website.

Movable Type Cloud Edition - update to 8.5.0
Movable Type Premium Cloud Edition - update to 2.07
Movable Type Premium Advanced - update to 2.07
Movable Type Premium - update to 2.07
Movable Type Advanced - addressed in versions 8.0.6, 8.4.2
Movable Type - addressed in versions 8.0.6, 8.4.2

External References

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

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