CVE-2021-32821 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00644.

Exploitation poc

Automatable no

Technical Impact partial

Vendors	Products
Mootools	Mootools

Configuration 1 [-]

cpe:2.3:a:mootools:mootools:*:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2023-0554	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.
Github GHSA	GHSA-v63q-hgqc-qvpg	MooTools Regular Expression Denial of Service

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

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

History

Mon, 10 Mar 2025 22:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2023-01-03T00:00:00.000Z

Updated: 2025-03-10T21:33:30.800Z

Reserved: 2021-05-12T00:00:00.000Z

Link: CVE-2021-32821

Vulnrichment

Updated: 2024-08-03T23:33:55.864Z

NVD

Status : Modified

Published: 2023-01-03T17:15:10.210

Modified: 2024-11-21T06:07:49.157

Link: CVE-2021-32821

Redhat

No data.

OpenCVE Enrichment

No data.

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