## CVE-2021-3803 - High Severity Vulnerability

Vulnerable Library - nth-check-2.0.0.tgz

Parses and compiles CSS nth-checks to highly optimized functions.

Library home page: https://registry.npmjs.org/nth-check/-/nth-check-2.0.0.tgz

Path to dependency file: /package.json

Path to vulnerable library: /node_modules/cheerio-select/node_modules/nth-check/package.json

Dependency Hierarchy: - cheerio-1.0.0-rc.10.tgz (Root Library) - cheerio-select-1.5.0.tgz - css-select-4.1.3.tgz - :x: **nth-check-2.0.0.tgz** (Vulnerable Library)

Found in HEAD commit: 82fe0afe80b39a5ae0281b33524b63cd1de16963

Found in base branch: main

Vulnerability Details

nth-check is vulnerable to Inefficient Regular Expression Complexity

Publish Date: 2021-09-17

URL: CVE-2021-3803

CVSS 3 Score Details (7.5)

Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: Low - Privileges Required: None - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: None - Integrity Impact: None - Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Release Date: 2021-09-17

Fix Resolution: nth-check - v2.0.1

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CVE-2021-3803 (High) detected in nth-check-2.0.0.tgz - autoclosed #341

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