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).

Remediation

References

CVE-2021-26271

Related Vulnerabilities

Beego Framework Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2021-39391)

WordPress Plugin Online Lesson Booking Multiple Vulnerabilities (0.8.6)

Joomla! Core 1.7.0 Cross-Site Scripting (1.7.0)

MySQL CVE-2012-3177 Vulnerability (CVE-2012-3177)

WordPress Plugin MathJax-LaTeX Cross-Site Request Forgery (1.1)

Severity

Medium

Classification

CVE-2021-26271 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