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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

Code Behaviors & Features

Detect and mitigate CVE-2022-23518 with GitLab Dependency Scanning

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Affected versions

All versions up to 2.1.0

Fixed versions

  • 2.1.1

Solution

Upgrade to version 2.1.1 or above.

Impact 6.1 MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Learn more about CVSS

Weakness

  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Source file

gem/loofah/CVE-2022-23518.yml

Spotted a mistake? Edit the file on GitLab.

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