GitHub Advisoryadvisory · npm, Packagist

GHSA-7h26-63m7-qhf2 HTML comments vulnerability allowing to execute JavaScript code

HIGH Published 2021-11-17 Modified 2022-02-08 Official page ↗
Aliases
CVE-2021-41165
Ecosystem
npm, Packagist
Packages
ckeditor4, ckeditor/ckeditor
Severity
High
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L
Weaknesses
CWE-79
Reviewed
2021-11-17

Affected packages

• npm ckeditor4: < 4.17.0 → fixed in 4.17.0 • Packagist ckeditor/ckeditor: < 4.17.0 → fixed in 4.17.0

Description

Affected packages The vulnerability has been discovered in the core HTML processing module and may affect all plugins used by CKEditor 4. Impact A potential vulnerability has been discovered in CKEditor 4 HTML processing core module. The vulnerability allowed to inject malformed comments HTML bypassing content sanitization, which could result in executing JavaScript code. It affects all users using the CKEditor 4 at version < 4.17.0. Patches The problem has been recognized and patched. The fix will be available in version 4.17.0. For more information Email us at [email protected] if you have any questions or comments about this advisory. Acknowledgements The CKEditor 4 team would like to thank William Bowling (wbowling) for recognizing and reporting this vulnerability.

Related

Alias · CVE (1)

  • CVE-2021-41165 CKEditor4 is an open source WYSIWYG HTML editor. vulnerability

Weakness · CWE (1)

  • CWE-79 Improper Neutralization of Input During Web Page Generation weakness

References