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Security Advisories: GSA_kwCzR0hTQS03aDI2LTYzbTctcWhmMs0XTw
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 [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.
Permalink: https://github.com/advisories/GHSA-7h26-63m7-qhf2JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS03aDI2LTYzbTctcWhmMs0XTw
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: over 2 years ago
Updated: 4 months ago
CVSS Score: 8.2
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L
Identifiers: GHSA-7h26-63m7-qhf2, CVE-2021-41165
References:
- https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-7h26-63m7-qhf2
- https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-417
- https://nvd.nist.gov/vuln/detail/CVE-2021-41165
- https://www.drupal.org/sa-core-2021-011
- https://www.oracle.com/security-alerts/cpujan2022.html
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://github.com/advisories/GHSA-7h26-63m7-qhf2
Blast Radius: 49.0
Affected Packages
packagist:ckeditor/ckeditor
Dependent packages: 90Dependent repositories: 1,743
Downloads: 3,339,975 total
Affected Version Ranges: < 4.17.0
Fixed in: 4.17.0
All affected versions: 4.3.3, 4.3.4, 4.3.5, 4.4.0, 4.4.1, 4.4.2, 4.4.3, 4.4.4, 4.4.5, 4.4.6, 4.4.7, 4.4.8, 4.5.0, 4.5.1, 4.5.2, 4.5.3, 4.5.4, 4.5.5, 4.5.6, 4.5.7, 4.5.8, 4.5.9, 4.5.10, 4.5.11, 4.6.0, 4.6.1, 4.6.2, 4.7.0, 4.7.1, 4.7.2, 4.7.3, 4.8.0, 4.9.0, 4.9.1, 4.9.2, 4.10.0, 4.10.1, 4.11.0, 4.11.1, 4.11.2, 4.11.3, 4.11.4, 4.12.0, 4.12.1, 4.13.0, 4.13.1, 4.14.0, 4.14.1, 4.15.0, 4.15.1, 4.16.0, 4.16.1, 4.16.2
All unaffected versions: 4.17.0, 4.17.1, 4.17.2, 4.18.0, 4.19.0, 4.19.1, 4.20.0, 4.20.1, 4.20.2, 4.21.0, 4.22.0, 4.22.1, 4.23.0, 4.24.0
npm:ckeditor4
Dependent packages: 26Dependent repositories: 546
Downloads: 215,978 last month
Affected Version Ranges: < 4.17.0
Fixed in: 4.17.0
All affected versions: 4.13.0, 4.13.1, 4.14.0, 4.14.1, 4.15.0, 4.15.1, 4.16.0, 4.16.1, 4.16.2
All unaffected versions: 4.17.0, 4.17.1, 4.17.2, 4.18.0, 4.19.0, 4.19.1, 4.20.0, 4.20.1, 4.20.2, 4.21.0, 4.22.0, 4.22.1, 4.23.0, 4.24.0