Possible XSS vulnerability in Rails::HTML::Sanitizer
CVE-2024-53985

6.1MEDIUM

Key Information:

Vendor

Rails

Status
Rails-html-sanitizer
Vendor
CVE Published:
2 December 2024

What is 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.

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Deploy the Patch

Affected Version(s)

rails-html-sanitizer >= 1.6.0, < 1.6.1

References

https://github.com/rails/rails-html-sanitizer/security/ad...
x_refsource_CONFIRM
https://github.com/rails/rails-html-sanitizer/commit/b022...
x_refsource_MISC
https://github.com/rails/rails-html-sanitizer/commit/cd18...
x_refsource_MISC

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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