CVE-2022-23514: Loofah Project Loofah

High severity, CVSS 7.5. EPSS: 1.8% chance of exploitation in the next 30 days.

Loofah is a general library for manipulating and transforming HTML/XML documents and fragments, built on top of Nokogiri. Loofah < 2.19.1 contains an inefficient regular expression that is susceptible to excessive backtracking when attempting to sanitize certain SVG attributes. This may lead to a denial of service through CPU resource consumption. This issue is patched in version 2.19.1.

Affected products

Published 2022-12-14. Last modified 2026-06-17.