CVE-2021-20808 Information

Description

Cross-site scripting vulnerability in Search screen of Movable Type (Movable Type 7 r.4903 and earlier (Movable Type 7 Series) Movable Type 6.8.0 and earlier (Movable Type 6 Series) Movable Type Advanced 7 r.4903 and earlier (Movable Type Advanced 7 Series) Movable Type Premium 1.44 and earlier and Movable Type Premium Advanced 1.44 and earlier) allows remote attackers to inject arbitrary script or HTML via unspecified vectors.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Reference

https://movabletype.org/news/2021/08/mt-780-681-released.html https://jvn.jp/en/jp/JVN97545738/index.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

6.1