CVE-2021-20814: XSS

Published Aug 26, 2021
·
Updated

Cross-site scripting vulnerability in Setting screen of ContentType Information Widget Plugin of Movable Type (Movable Type 7 r.4903 and earlier (Movable Type 7 Series), Movable Type Advanced 7 r.4903 and earlier (Movable Type Advanced 7 Series), and Movable Type Premium 1.44 and earlier) allows remote attackers to inject arbitrary script or HTML via unspecified vectors.

Affected Software

3 affected components
Sixapart Movable Type<=1.44
Sixapart Movable Type>=7.0<7.8.0
Sixapart Movable Type>=7.0<7.8.0

Event History

Aug 26, 2021
CVE Published
via MITRE·01:20 AM
Data Sourced
via MITRE·01:20 AM
DescriptionWeakness

Frequently Asked Questions

1

What is CVE-2021-20814?

CVE-2021-20814 is a cross-site scripting vulnerability in the Setting screen of the ContentType Information Widget Plugin of Movable Type.

2

What software is affected by CVE-2021-20814?

CVE-2021-20814 affects Movable Type versions 7 r.4903 and earlier (Movable Type 7 Series), Movable Type Advanced versions 7 r.4903 and earlier (Movable Type Advanced 7 Series), and Movable Type Premium versions 1.44 and earlier.

3

How severe is CVE-2021-20814?

CVE-2021-20814 has a severity level of 6.1 (Medium).

4

How can I fix CVE-2021-20814?

To fix CVE-2021-20814, update Movable Type to version 7.8.0 or later.

5

What is the Common Weakness Enumeration (CWE) ID for CVE-2021-20814?

The Common Weakness Enumeration (CWE) ID for CVE-2021-20814 is CWE-79 (Cross-Site Scripting).

Contact

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