CVE-2025-24841

Description

Movable Type contains a stored cross-site scripting vulnerability in the HTML edit mode of MT Block Editor. It is exploitable when TinyMCE6 is used as a rich text editor and an arbitrary script may be executed on a logged-in user's web browser.

Category

5.4
CVSS
Severity: Medium
CVSS 3.0 •
EPSS 0.04%
Affected: Six Apart Ltd. Movable Type (8.4.x series)
Affected: Six Apart Ltd. Movable Type (8.0.x series)
Affected: Six Apart Ltd. Movable Type Advanced (8.4.x series)
Affected: Six Apart Ltd. Movable Type Advanced (8.0.x series)
Affected: Six Apart Ltd. Movable Type Premium (2.x series)
Affected: Six Apart Ltd. Movable Type Premium (Advanced Edition) (2.x series)
Affected: Six Apart Ltd. Movable Type Cloud Edition (8.x series)
Affected: Six Apart Ltd. Movable Type Premium Cloud Edition (2.x series)
Published at:
Updated at:

References

Link Tags
https://www.movabletype.org/news/2025/02/mt-842-released.html
https://jvn.jp/en/jp/JVN48742353/

Frequently Asked Questions

What is the severity of CVE-2025-24841?
CVE-2025-24841 has been scored as a medium severity vulnerability.
How to fix CVE-2025-24841?
To fix CVE-2025-24841, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-24841 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-24841 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-24841?
CVE-2025-24841 affects Six Apart Ltd. Movable Type (8.4.x series), Six Apart Ltd. Movable Type (8.0.x series), Six Apart Ltd. Movable Type Advanced (8.4.x series), Six Apart Ltd. Movable Type Advanced (8.0.x series), Six Apart Ltd. Movable Type Premium (2.x series), Six Apart Ltd. Movable Type Premium (Advanced Edition) (2.x series), Six Apart Ltd. Movable Type Cloud Edition (8.x series), Six Apart Ltd. Movable Type Premium Cloud Edition (2.x series).
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.