CVE-2021-26271: CKEditor 4 ReDoS Vulnerability
(updated )
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).
References
- github.com/advisories/GHSA-jv4c-7jqq-m34x
- github.com/ckeditor/ckeditor4
- github.com/ckeditor/ckeditor4/blob/major/CHANGES.md
- nvd.nist.gov/vuln/detail/CVE-2021-26271
- web.archive.org/web/20210128132707/https://ckeditor.com/blog/CKEditor-4.16-with-improved-image-pasting-High-Contrast-support-and-a-new-color-API/
- www.oracle.com//security-alerts/cpujul2021.html
- www.oracle.com/security-alerts/cpuoct2021.html
Code Behaviors & Features
Detect and mitigate CVE-2021-26271 with GitLab Dependency Scanning
Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →