CVE-2021-41165 – ckeditor4

Package

Manager: npm
Name: ckeditor4
Vulnerable Version: >=0 <4.17.0

Severity

Level: High

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N

EPSS: 0.00089 pctl0.26302

Details

HTML comments vulnerability allowing to execute JavaScript code ### 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 security@cksource.com if you have any questions or comments about this advisory. ### Acknowledgements The CKEditor 4 team would like to thank William Bowling ([wbowling](https://github.com/wbowling)) for recognizing and reporting this vulnerability.

Metadata

Created: 2021-11-17T21:58:25Z
Modified: 2022-02-08T20:39:10Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/11/GHSA-7h26-63m7-qhf2/GHSA-7h26-63m7-qhf2.json
CWE IDs: ["CWE-79"]
Alternative ID: GHSA-7h26-63m7-qhf2
Finding: F008
Auto approve: 1