CVE-2025-54856

MEDIUM EPSS 11.3%
Published Oct 23, 20258mo ago · Modified Jun 17, 20262w ago
4.6 CVSS 4.0
Medium
Find Similar
Published Oct 23, 2025 8mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
4.6
Exploitability
—
Impact
—
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required High
User Interaction A
Scope X

Threat Intelligence

EPSS Exploit Probability
11.3% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

References 3

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.