CVE-2022-23514

7.5 HIGH
Published: December 14, 2022 Modified: November 03, 2025

Description

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/flavorjones/loofah/security/advisories/GHSA-486f-hjj9-9vhh
Source: security-advisories@github.com
Third Party Advisory
https://hackerone.com/reports/1684163
Source: security-advisories@github.com
Permissions Required Third Party Advisory
https://github.com/flavorjones/loofah/security/advisories/GHSA-486f-hjj9-9vhh
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://hackerone.com/reports/1684163
Source: af854a3a-2127-422b-91ae-364da2661108
Permissions Required Third Party Advisory

7 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
0.3%
50th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

loofah_project