Medium severity · published Dec 2, 2024
CVE-2024-53988
rails-html-sanitizer is responsible for sanitizing HTML fragments in Rails applications
6.1
CVSS
0.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 39% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RH
Rails Html Sanitizers · Rubyonrails
1.6.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-53988
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-53988
Patch
https://github.com/rails/rails-html-sanitizer/commit/a0a3e8b76b696446ffc6bffcff3bc7b7c6393c72
Vendor Advisory
https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-cfjx-w229-hgx5
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