GHSA-jv4c-7jqq-m34xMediumCVSS 6.5
CKEditor 4 ReDoS Vulnerability
🔗 CVE IDs covered (1)
📋 Description
It was possible to execute a ReDoS-type attack inside CKEditor 4 before 4.16 by persuading a victim to paste crafted text into the Styles input of specific dialogs (in the Advanced Tab for Dialogs plugin).
🎯 Affected products1
- npm/ckeditor4-dev:< 4.16
🔗 References (6)
- https://nvd.nist.gov/vuln/detail/CVE-2021-26271
- https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-416
- https://www.oracle.com//security-alerts/cpujul2021.html
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://web.archive.org/web/20210128132707/https://ckeditor.com/blog/CKEditor-4.16-with-improved-image-pasting-High-Contrast-support-and-a-new-color-API/#security-comes-first
- https://github.com/advisories/GHSA-jv4c-7jqq-m34x