PT-2020-18503 · Six Apart · Movable Type Premium Advanced+3

Published 2020-02-06 · Updated 2020-02-07 · CVE-2020-5528

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Movable Type versions 7 r.4603 and earlier Movable Type 6.5 versions 6.5.2 and earlier Movable Type Advanced versions 7 r.4603 and earlier Movable Type Advanced 6.5 versions 6.5.2 and earlier Movable Type Premium versions 1.26 and earlier Movable Type Premium Advanced versions 1.26 and earlier

Description A cross-site scripting issue allows remote attackers to inject arbitrary web script or HTML in the block editor and the rich text editor via a specially crafted URL.

Recommendations For Movable Type versions 7 r.4603 and earlier, update to a version later than 7 r.4603. For Movable Type 6.5 versions 6.5.2 and earlier, update to a version later than 6.5.2. For Movable Type Advanced versions 7 r.4603 and earlier, update to a version later than 7 r.4603. For Movable Type Advanced 6.5 versions 6.5.2 and earlier, update to a version later than 6.5.2. For Movable Type Premium versions 1.26 and earlier, update to a version later than 1.26. For Movable Type Premium Advanced versions 1.26 and earlier, update to a version later than 1.26.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2020-5528

Affected Products

Movable Type

Movable Type Advanced

Movable Type Premium

Movable Type Premium Advanced

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2020-5528 · Security Note
• https://osv.dev/vulnerability/CVE-2020-5528 · Vendor Advisory
• http://jvn.jp/en/jp/JVN94435544/index.html · Note
• https://movabletype.org/news/2020/02/movable_type_r4605_v720_v653_and_v6311_released.html · Note