CVE-2021-20665
6.1 · MEDIUMOverview
CVE-2021-20665 is a medium-severity vulnerability affecting movabletype movable_type. It was published on March 5, 2021 and has a CVSS 3.1 base score of 6.1 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Cross-site scripting vulnerability in in Add asset screen of Contents field of 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 Premium 1.39 and earlier, and Movable Type Premium Advanced 1.39 and earlier allows remote attackers to inject an arbitrary script via unspecified vectors.
Remediation
Check the references section for vendor advisories and patches from movabletype. Update movable_type to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| movabletype | movable_type | 0 | Affected |
| movabletype | movable_type_advanced | 0 | Affected |
| movabletype | movable_type_premium | 0 | Affected |
| movabletype | movable_type_premium_advanced | 0 | Affected |
Frequently Asked Questions
What is CVE-2021-20665?
CVE-2021-20665 is a medium-severity vulnerability affecting movabletype movable_type. It was published on March 5, 2021 and has a CVSS 3.1 base score of 6.1 (MEDIUM).
How severe is CVE-2021-20665?
This vulnerability has a CVSS 3.1 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-20665?
Check the references section for vendor advisories and patches from movabletype. Update movable_type to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-20665?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-20665 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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