## CVE-2021-33587 - High Severity Vulnerability

Vulnerable Library - css-what-2.1.3.tgz

a CSS selector parser

Library home page: https://registry.npmjs.org/css-what/-/css-what-2.1.3.tgz

Path to dependency file: /package.json

Path to vulnerable library: /node_modules/css-what/package.json

Dependency Hierarchy: - website-scraper-4.2.3.tgz (Root Library) - cheerio-0.22.0.tgz - css-select-1.2.0.tgz - :x: **css-what-2.1.3.tgz** (Vulnerable Library)

Found in HEAD commit: 66f0817b789cc9cdf3b1e59702a651aed85bc7a1

Found in base branch: main

Vulnerability Details

The css-what package 4.0.0 through 5.0.0 for Node.js does not ensure that attribute parsing has Linear Time Complexity relative to the size of the input.

Publish Date: 2021-05-28

URL: CVE-2021-33587

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

Origin: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33587

Release Date: 2021-05-28

Fix Resolution (css-what): 5.0.1

Direct dependency fix Resolution (website-scraper): 5.0.0

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CVE-2021-33587 (High) detected in css-what-2.1.3.tgz - autoclosed #224

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