Cross-Site Scripting Vulnerability in Movable Type by Six Apart
CVE-2021-20663

6.1MEDIUM

Key Information:

Vendor

Six Apart Ltd.

Status
Movable Type
Vendor
CVE Published:
5 March 2021

What is CVE-2021-20663?

A cross-site scripting vulnerability exists in the Role authority setting screen of specific Movable Type products, allowing remote attackers to inject arbitrary scripts through unspecified vectors. This weakness could potentially compromise the security and integrity of affected web applications, enabling attackers to execute malicious scripts in the context of unsuspecting users.

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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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