GMS-2022-8300: Duplicate of ./gem/rails-html-sanitizer/CVE-2022-23518.yml

Summary

rails-html-sanitizer >= 1.0.3, < 1.4.4 is vulnerable to cross-site scripting via data URIs when used in combination with Loofah >= 2.1.0.

Mitigation

Upgrade to rails-html-sanitizer >= 1.4.4.

Severity

The maintainers have evaluated this as [Medium Severity 6.1](https://www.first.org/cvss/calculator/3.0#.

References

• CWE - CWE-79: Improper Neutralization of Input During Web Page Generation (‘Cross-site Scripting’) (4.9)
• SVG MIME Type (image/svg+xml) is misleading to developers · Issue #266 · w3c/svgwg
• https://github.com/rails/rails-html-sanitizer/issues/135
• https://hackerone.com/reports/1694173

Credit

This vulnerability was independently reported by Maciej Piechota (@haqpl) and Mrinmoy Das (@goromlagche).