CVE-2021-32821CWE-400

Regular expression Denial of Service in MooTools

Medium · published January 3, 2023

CVSS v3.1
6.2
EPSS
1%
Percentile
50.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.2 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00651 · 50.6th percentile
Weakness
CWE-400 · Uncontrolled Resource Consumption
Published
2023-01-03T00:00Z
EPSS history
Timeline
  • 03 JAN 00:00Z
    Regular expression Denial of Service in MooTools
    cvelistv5