CVE-2025-54856

MEDIUM

Movable Type 7-8.4.3 - Stored Cross-Site Scripting in Edit ContentData Page

Title source: llm
STIX 2.1

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 (3)

Core 3

Scores

CVSS v3 4.8
EPSS 0.0021
EPSS Percentile 11.3%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (14)
Six Apart Ltd./Movable Type (Cloud Edition) 7 r.5509 (7 series)
Six Apart Ltd./Movable Type (Cloud Edition) 8.7.0 (8 series)
Six Apart Ltd./Movable Type (Software Edition) 7 r.5509 and earlier (7 series)
Six Apart Ltd./Movable Type (Software Edition) 8.0.0 to 8.0.7 (8.0 series)
Six Apart Ltd./Movable Type (Software Edition) 8.4.0 to 8.4.3 (8.4 series)
Six Apart Ltd./Movable Type Advanced (Software Edition) 7 r.5509 and earlier (7 series)
Six Apart Ltd./Movable Type Advanced (Software Edition) 8.0.0 to 8.0.7 (8.0 series)
Six Apart Ltd./Movable Type Advanced (Software Edition) 8.4.0 to 8.4.3 (8.4 series)
Six Apart Ltd./Movable Type Premium (Advanced Edition) (Software Edition) 1.67 and earlier (1 series)
Six Apart Ltd./Movable Type Premium (Advanced Edition) (Software Edition) 2.10 and earlier (2 series)
... and 4 more
Published Oct 23, 2025
Tracked Since Feb 18, 2026