XSS in Rails Rails-Html-Sanitizer
CVE-2024-53985
rails-html-sanitizer is responsible for sanitizing HTML fragments in Rails applications. There is a possible XSS vulnerability with certain configurations of Rails::HTML::Sanitizer 1.6.0 when used with Rails >= 7.1.0 and Nokogiri < 1.15.7, or 1.16.x < 1.16.8. The XSS vulnerability with certain configurations of Rails::HTML::Sanitizer may allow an attacker to inject content if HTML5 sanitization is enabled and the application developer has overridden the sanitizer's allowed tags with both "math" and "style" elements or both both "svg" and "style" elements. This vulnerability is fixed in 1.6.1.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.006 (44.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Rails Rails-html-sanitizer — versions >= 1.6.0, < 1.6.1
- Rubyonrails Rails_html_sanitizers — versions 1.6.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2024-53985?
- CVE-2024-53985 is a medium-severity vulnerability in Rails Rails-Html-Sanitizer, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2024-12-02.
- How severe is CVE-2024-53985?
- Medium severity. CVSS v3 base score is 6.1 out of 10.