Ecosyste.ms: Advisories
An open API service providing security vulnerability metadata for many open source software ecosystems.
Security Advisories: GSA_kwCzR0hTQS1wdm14LWc4aDUtY3Byas0XTg
Advanced Content Filter (ACF) vulnerability allowing to execute JavaScript code using malformed HTML
Affected packages
The vulnerability has been discovered in the Advanced Content Filter (ACF) module and may affect all plugins used by CKEditor 4.
Impact
A potential vulnerability has been discovered in CKEditor 4 Advanced Content Filter (ACF) core module. The vulnerability allowed to inject malformed 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 Maurice Dauer (laytonctf) for recognizing and reporting this vulnerability.
Permalink: https://github.com/advisories/GHSA-pvmx-g8h5-cprjJSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1wdm14LWc4aDUtY3Byas0XTg
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: over 2 years ago
Updated: about 1 year 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-pvmx-g8h5-cprj, CVE-2021-41164
References:
- https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-pvmx-g8h5-cprj
- https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-417
- https://nvd.nist.gov/vuln/detail/CVE-2021-41164
- 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://lists.fedoraproject.org/archives/list/[email protected]/message/WOZGMCYDB2OKKULFXZKM6V7JJW4ZZHJP/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/VR76VBN5GW5QUBJFHVXRX36UZ6YTCMW6/
- https://github.com/advisories/GHSA-pvmx-g8h5-cprj
Blast Radius: 22.4
Affected Packages
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