NetSight
high7.5

CVE-2021-32821

MooTools Regular Expression Denial of Service

Impact

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.

Affected packages

EcosystemPackageAffectedFixed in
npmmootools<= 1.5.2none recorded

Affected products

VendorProductAffected versions
MootoolsMootools
through 1.6.0

Weakness classification

References