Loofah is a general library for manipulating and transforming HTML/XML documents and fragments, built on top of Nokogiri.
Loofah excels at HTML sanitization (XSS prevention). It includes some nice HTML sanitizers, which are based on HTML5lib's safelist, so it most likely won't make your codes less secure. (These statements have not been evaluated by Netexperts.)
ActiveRecord extensions for sanitization are available in the [`loofah-activerecord` gem](https://github.com/flavorjones/loofah-activerecord).
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.
CVE-2022-23514 - High Severity Vulnerability
Loofah is a general library for manipulating and transforming HTML/XML documents and fragments, built on top of Nokogiri. Loofah excels at HTML sanitization (XSS prevention). It includes some nice HTML sanitizers, which are based on HTML5lib's safelist, so it most likely won't make your codes less secure. (These statements have not been evaluated by Netexperts.) ActiveRecord extensions for sanitization are available in the [`loofah-activerecord` gem](https://github.com/flavorjones/loofah-activerecord).
Library home page: https://rubygems.org/gems/loofah-2.4.0.gem
Path to dependency file: /Gemfile.lock
Path to vulnerable library: /var/lib/gems/2.3.0/cache/loofah-2.4.0.gem
Dependency Hierarchy: - web-console-4.0.1.gem (Root Library) - actionview-6.0.1.gem - rails-html-sanitizer-1.3.0.gem - :x: **loofah-2.4.0.gem** (Vulnerable Library)
Found in base branch: master
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.
Publish Date: 2022-12-14
URL: CVE-2022-23514
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.Type: Upgrade version
Origin: https://github.com/advisories/GHSA-486f-hjj9-9vhh
Release Date: 2022-12-14
Fix Resolution: loofah - 2.19.1
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