CVE-2022-23518: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

December 14, 2022 (updated September 13, 2023)

rails-html-sanitizer is responsible for sanitizing HTML fragments in Rails applications. Versions >= 1.0.3, < 1.4.4 is vulnerable to cross-site scripting via data URIs when used in combination with Loofah >= 2.1.0. This issue is patched in version 1.4.4.

References

github.com/rails/rails-html-sanitizer/issues/135
github.com/rails/rails-html-sanitizer/security/advisories/GHSA-mcvf-2q2m-x72m
hackerone.com/reports/1694173
nvd.nist.gov/vuln/detail/CVE-2022-23518

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