CVE-2021-41164: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

November 17, 2021 (updated November 7, 2023)

CKEditor4 is an open source WYSIWYG HTML editor. The vulnerability allowed to inject malformed HTML bypassing content sanitization, which could result in executing JavaScript code.

References

github.com/ckeditor/ckeditor4/blob/major/CHANGES.md
github.com/ckeditor/ckeditor4/security/advisories/GHSA-pvmx-g8h5-cprj
nvd.nist.gov/vuln/detail/CVE-2021-41164
www.drupal.org/sa-core-2021-011

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