CVE-2020-26310: Blowsie Pure-JavaScript-HTML5-Parser

High severity, CVSS 8.7. EPSS: 0.4% chance of exploitation in the next 30 days.

Validate.js provides a declarative way of validating javascript objects. All versions as of 30 November 2020 contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). As of time of publication, it is unknown if any patches are available.

Affected products

• Blowsie Pure-JavaScript-HTML5-Parser: version 0 only
• Blowsie Pure JavaScript HTML5 Parser: any version

Published 2024-10-26. Last modified 2026-06-17.