Cross-Site Scripting Vulnerability in Movable Type Products by Six Apart
CVE-2021-20664

6.1MEDIUM

Key Information:

Vendor

Six Apart Ltd.

Status
Movable Type
Vendor
CVE Published:
5 March 2021

What is CVE-2021-20664?

The vulnerability allows remote attackers to inject arbitrary scripts into the Asset registration screen of various Movable Type products. This can lead to unauthorized actions or the exposure of sensitive information when users interact with compromised components. The vulnerability is present in specific versions of Movable Type 7 Series, 6.7 Series, and related products, making it essential for users to update their installations to protect against potential exploits.

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Affected Version(s)

Movable Type Movable Type 7 r.4705 and earlier (Movable Type 7 Series), Movable Type Advanced 7 r.4705 and earlier (Movable Type Advanced 7 Series), Movable Type 6.7.5 and earlier (Movable Type 6.7 Series), Movable Type Premium 1.39 and earlier, and Movable Type Premium Advanced 1.39 and earlier

References

https://jvn.jp/en/jp/JVN66542874/index.html
x_refsource_MISC
https://movabletype.org/news/2021/02/mt-760-676-released....
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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