CVE-2025-54856

Movable Type contains a stored cross-site scripting vulnerability in Edit ContentData page. If crafted input is stored by an attacker with "ContentType Management" privilege, an arbitrary script may be executed on the web browser of the user who accesses Edit ContentData page.

CVSS v3 4.8 MEDIUM

4.8^/10

CVSS v3 : MEDIUM

Vector : AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Exploitability : 1.7 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://jvn.jp/en/jp/JVN24333679/
https://movabletype.org/news/2025/10/mt-880-released.html
https://www.sixapart.jp/movabletype/news/2025/10/22-1055.html

Configurations

No configuration.

History

No history.

Information

Published : 2025-10-23 05:15

Updated : 2025-10-27 13:20

NVD link : CVE-2025-54856

Mitre link : CVE-2025-54856

CVE.ORG link : CVE-2025-54856

JSON object : View

Products Affected

No product.

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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