Mend.io Vulnerability Database

What is a CVE vulnerability ID? icon What is a WS vulnerability ID? icon What is an MSC vulnerability ID? icon
New vulnerability? Tell us about it!
icon

We found results for “”

CVE-2021-32821

Date: January 2, 2023

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.

Severity Score

Related Resources (6)

https://securitylab.github.com/advisories/GHSL-2020-345-redos-mootools
https://nvd.nist.gov/vuln/detail/CVE-2021-32821
https://github.com/vsviridov/mootools-node
https://security-tracker.debian.org/tracker/CVE-2021-32821
https://securitylab.github.com/advisories/GHSL-2020-345-redos-mootools/
https://www.mend.io/vulnerability-database/CVE-2021-32821

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption

CWE-400

Inefficient Regular Expression Complexity

CWE-1333

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

Do you need more information?

Contact Us