rails-html-sanitizer up to 1.6.0 Rails::HTML::Sanitizer cross site scripting

Summaryinfo

A vulnerability marked as problematic has been reported in rails-html-sanitizer up to 1.6.0. This affects the function Rails::HTML::Sanitizer. This manipulation causes cross site scripting. This vulnerability is tracked as CVE-2024-53988. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in rails-html-sanitizer up to 1.6.0 and classified as problematic. Affected by this vulnerability is the function Rails::HTML::Sanitizer. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. The summary by CVE is:

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. A possible 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 where the "math", "mtext", "table", and "style" elements are allowed and either either "mglyph" or "malignmark" are allowed. This vulnerability is fixed in 1.6.1.

The advisory is shared at github.com. This vulnerability is known as CVE-2024-53988 since 11/26/2024. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

Upgrading to version 1.6.1 eliminates this vulnerability. Applying the patch a0a3e8b76b696446ffc6bffcff3bc7b7c6393c72 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Name

• rails-html-sanitizer

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6.0

License

• open-source

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• 🔍
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CPE 2.2info

• 🔍
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