CVE-2021-20812: XSS
First published: Thu Aug 26 2021(Updated: )
Cross-site scripting vulnerability in Setting screen of Server Sync of Movable Type (Movable Type Advanced 7 r.4903 and earlier (Movable Type Advanced 7 Series) and Movable Type Premium Advanced 1.44 and earlier) allows remote attackers to inject arbitrary script or HTML via unspecified vectors.
Credit: vultures@jpcert.or.jp
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Sixapart Movable Type | <=1.44 | |
| Sixapart Movable Type | >=7.0<7.8.0 |
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Reference Links
Frequently Asked Questions
What is CVE-2021-20812?
CVE-2021-20812 is a cross-site scripting vulnerability in the Setting screen of Server Sync of Movable Type.
What is the severity of CVE-2021-20812?
CVE-2021-20812 has a severity of 6.1, which is considered medium.
Which software versions are affected by CVE-2021-20812?
CVE-2021-20812 affects Movable Type Advanced 7 r.4903 and earlier (Movable Type Advanced 7 Series) and Movable Type Premium Advanced 1.44 and earlier.
How can remote attackers exploit CVE-2021-20812?
Remote attackers can exploit CVE-2021-20812 by injecting arbitrary script or HTML via unspecified vectors.
Are there any references for CVE-2021-20812?
Yes, you can find references for CVE-2021-20812 at the following links: [link1](https://jvn.jp/en/jp/JVN97545738/index.html) and [link2](https://movabletype.org/news/2021/08/mt-780-681-released.html).
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