MooTools Regular Expression Denial of Service

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.

Recommendation

No fix is available yet. Followings are affected versions:

• <= 1.5.2

References

• GHSA-v63q-hgqc-qvpg
• CVE-2021-32821
• CWE-1333
• CWE-400
• CAPEC-310
• OWASP 2021-A6

Related Issues

• prismjs Regular Expression Denial of Service vulnerability - CVE-2021-3801
• Regular Expression Denial of Service (ReDOS) - color-string - CVE-2021-29060
• CKEditor 5 Markdown plugin Regular expression Denial of Service - CVE-2021-21254
• uri-template-lite Regular Expression Denial of Service - CVE-2021-43309

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How to Secure your NodeJs Express Javascript Application - part 1

How to Secure your NodeJs Express Javascript Application - part 2

10 Secure Coding Best Practices to Follow in Every Project

Tags:

npm

mootools