CVE-2021-20813: XSS
First published: Thu Aug 26 2021(Updated: )
Cross-site scripting vulnerability in Edit screen of Content Data of Movable Type (Movable Type 7 r.4903 and earlier (Movable Type 7 Series) and Movable Type Advanced 7 r.4903 and earlier (Movable Type Advanced 7 Series)) 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 | >=7.0<7.8.0 | |
| Sixapart Movable Type | >=7.0<7.8.0 |
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Reference Links
Frequently Asked Questions
What is CVE-2021-20813?
CVE-2021-20813 is a cross-site scripting vulnerability in the Edit screen of Content Data of Movable Type.
What is the severity of CVE-2021-20813?
The severity of CVE-2021-20813 is medium with a CVSS score of 6.1.
How does CVE-2021-20813 affect Movable Type?
CVE-2021-20813 affects Movable Type 7 r.4903 and earlier (Movable Type 7 Series) and Movable Type Advanced 7 r.4903 and earlier (Movable Type Advanced 7 Series).
How can remote attackers exploit CVE-2021-20813?
Remote attackers can exploit CVE-2021-20813 by injecting arbitrary script or HTML via unspecified vectors in the Edit screen of Content Data.
Is there a fix available for CVE-2021-20813?
Yes, a fix for CVE-2021-20813 is available in Movable Type 7 r.681 and Movable Type Advanced 7 r.681.
- collector/nvd-index
- agent/severity
- agent/references
- agent/weakness
- agent/author
- agent/type
- agent/event
- agent/description
- agent/last-modified-date
- agent/softwarecombine
- agent/tags
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- collector/mitre-cve
- source/MITRE
- vendor/sixapart
- canonical/sixapart movable type
- version/sixapart movable type/7.0