GHSA-jv4c-7jqq-m34x
CKEditor 4 ReDoS Vulnerability
At a glance
- Published
- Updated
- CVE
- CVE-2021-26271
- CVSS_V3
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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 packages
| Package | Versions |
|---|---|
| npm · ckeditor4-dev | introduced 0, fixed 4.16 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-26271 ADVISORY
- https://github.com/ckeditor/ckeditor4 PACKAGE
- https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-416 WEB
- 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 WEB
- https://www.oracle.com//security-alerts/cpujul2021.html WEB
- https://www.oracle.com/security-alerts/cpuoct2021.html WEB
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — GitHub Advisory Database |