Cross-Site Scripting in Movable Type by Six Apart
CVE-2021-20811

6.1MEDIUM

Key Information:

Vendor

Six Apart Ltd.

Status
Movable Type
Vendor
CVE Published:
26 August 2021

What is CVE-2021-20811?

A cross-site scripting vulnerability exists in the List of Assets screen of Movable Type, allowing remote attackers to inject arbitrary script or HTML through unspecified vectors. This threat can compromise user data and lead to significant security risks for affected systems.

Affected Version(s)

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

References

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

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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