CVE-2022-23519 — Cross-site Scripting in Rails Rails-html-sanitizer

CWE-79 — Cross-site Scripting7 documents6 sources
Severity
6.1MEDIUMNVD
EPSS
0.1%
top 64.72%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Rails Rails-html-sanitizerRubyonrails Rails Html SanitizersDebian Ruby-rails-html-sanitizer+1 more
Timeline
PublishedDec 14
Latest updateJan 4

Description

rails-html-sanitizer is responsible for sanitizing HTML fragments in Rails applications. Prior to version 1.4.4, a possible XSS vulnerability with certain configurations of Rails::Html::Sanitizer may allow an attacker to inject content if the application developer has overridden the sanitizer's allowed tags in either of the following ways: allow both "math" and "style" elements, or allow both "svg" and "style" elements. Code is only impacted if allowed tags are being overridden. . This issue is …

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NExploitability: 2.8 | Impact: 2.7

Affected Packages4 packages

▶CVEListV5rails/rails-html-sanitizer< 1.4.4
▶RubyGemsrails/rails-html-sanitizer< 1.4.4
▶debiandebian/ruby-rails-html-sanitizer< ruby-rails-html-sanitizer 1.4.4-1 (bookworm)

Also affects: Debian Linux 10.0

🔴Vulnerability Details

3
OSV
CVE-2022-23519: rails-html-sanitizer is responsible for sanitizing HTML fragments in Rails applications↗2022-12-14
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OSV
Possible XSS vulnerability with certain configurations of rails-html-sanitizer↗2022-12-13
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GHSA
Possible XSS vulnerability with certain configurations of rails-html-sanitizer↗2022-12-13
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📋Vendor Advisories

2
Red Hat
rubygem-rails-html-sanitizer: Cross site scripting vulnerability with certain configurations↗2022-12-13
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Debian
CVE-2022-23519: ruby-rails-html-sanitizer - rails-html-sanitizer is responsible for sanitizing HTML fragments in Rails appli...↗2022
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💬Community

1
HackerOne
CVE-2022-23519: Rails::Html::SafeListSanitizer vulnerable to XSS when certain tags are allowed (math+style || svg+style)↗2023-01-04
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