CVEs-PoC/2021/CVE-2021-32821.md

CVE-2021-32821

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.

POC

Reference

• https://securitylab.github.com/advisories/GHSL-2020-345-redos-mootools/

Github

• https://github.com/Live-Hack-CVE/CVE-2021-32821