Description

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).

Remediation

References

CVE-2021-26272

Related Vulnerabilities

Atlassian Jira Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2019-20414)

Apache Traffic Server Uncontrolled Resource Consumption Vulnerability (CVE-2018-8005)

Django Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') Vulnerability (CVE-2020-7471)

WordPress Plugin Theme Editor Multiple Vulnerabilities (2.1)

osCommerce Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2023-43718)

Severity

Medium

Classification

CVE-2021-26272 CWE-829 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Tags

Missing Update Known Vulnerabilities