MEDIUM6.5
GHSA-wpvm-wqr4-p7cw
Inclusion of Functionality from Untrusted Control Sphere in CKEditor 4
Quick fix
GHSA-wpvm-wqr4-p7cw — ckeditor4: upgrade to the fixed version with the command below.
npm install ckeditor4@4.16.0Details
It was possible to execute a ReDoS-type attack inside CKEditor 4 before 4.16 by persuading a victim to paste crafted URL-like text into the editor, and then press Enter or Space (in the Autolink plugin).
Are you affected?
Enter the version of the package you're using.
Affected packages
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-26272[ADVISORY]
- https://ckeditor.com/blog/CKEditor-4.16-with-improved-image-pasting-High-Contrast-support-and-a-new-color-API/#security-comes-first[WEB]
- https://github.com/ckeditor/ckeditor4[PACKAGE]
- https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-416[WEB]
- https://www.oracle.com//security-alerts/cpujul2021.html[WEB]
- https://www.oracle.com/security-alerts/cpujan2022.html[WEB]
- https://www.oracle.com/security-alerts/cpuoct2021.html[WEB]