CVE-2021-32821
6.2 · MEDIUMOverview
CVE-2021-32821 is a medium-severity vulnerability affecting mootools mootools. It was published on January 3, 2023 and has a CVSS 3.1 base score of 6.2 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.2, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
MooTools is a collection of JavaScript utilities for JavaScript developers. All known versions include a CSS selector parser that is vulnerable to Regular Expression Denial of Service (ReDoS). An attack requires that an attacker can inject a string into a CSS selector at runtime, which is quite common with e.g. jQuery CSS selectors. No patches are available for this issue.
Remediation
Check the references section for vendor advisories and patches from mootools. Update mootools 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 |
|---|---|---|---|
| mootools | mootools | 0 | Affected |
Frequently Asked Questions
What is CVE-2021-32821?
CVE-2021-32821 is a medium-severity vulnerability affecting mootools mootools. It was published on January 3, 2023 and has a CVSS 3.1 base score of 6.2 (MEDIUM).
How severe is CVE-2021-32821?
This vulnerability has a CVSS 3.1 base score of 6.2, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-32821?
Check the references section for vendor advisories and patches from mootools. Update mootools 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-2021-32821?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-32821 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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