Ecosyste.ms: Advisories

Security Advisories: GSA_kwCzR0hTQS13cHZtLXdxcjQtcDdjd80WSA

Inclusion of Functionality from Untrusted Control Sphere in CKEditor 4

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).

Permalink: https://github.com/advisories/GHSA-wpvm-wqr4-p7cw
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS13cHZtLXdxcjQtcDdjd80WSA
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: over 2 years ago
Updated: about 1 year ago

CVSS Score: 6.5
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Identifiers: GHSA-wpvm-wqr4-p7cw, CVE-2021-26272
References:

• https://nvd.nist.gov/vuln/detail/CVE-2021-26272
• 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/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://www.oracle.com/security-alerts/cpujan2022.html
• https://github.com/advisories/GHSA-wpvm-wqr4-p7cw

Repository: https://github.com/ckeditor/ckeditor4
Blast Radius: 17.8

Affected Packages