GitHub Advisoryadvisory · npm
GHSA-jv4c-7jqq-m34x CKEditor 4 ReDoS Vulnerability
MEDIUM
Official page ↗
- Aliases
- CVE-2021-26271
- Ecosystem
- npm
- Packages
- ckeditor4-dev
- Severity
- Moderate
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-1333
- Reviewed
- 2024-04-22
Affected packages
• npm ckeditor4-dev: < 4.16 → fixed in 4.16
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).
Related
Alias · CVE (1)
- CVE-2021-26271 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… vulnerability
Weakness · CWE (1)
- CWE-1333 Inefficient Regular Expression Complexity weakness
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