CVE-2025-54856

medium

Description

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.

References

https://www.sixapart.jp/movabletype/news/2025/10/22-1055.html

https://movabletype.org/news/2025/10/mt-880-released.html

https://jvn.jp/en/jp/JVN24333679/

Details

Source: Mitre, NVD

Published: 2025-10-23

Updated: 2025-10-23

Risk Information

CVSS v2

Base Score: 4.7

Vector: CVSS2#AV:N/AC:L/Au:M/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 4.8

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

Severity: Medium

CVSS v4

Base Score: 4.6

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Severity: Medium

EPSS

EPSS: 0.00029