CVE

CVE-2021-33829

6.1

CVSS

Description

A cross-site scripting (XSS) vulnerability in the HTML Data Processor in CKEditor 4 4.14.0 through 4.16.x before 4.16.1 allows remote attackers to inject executable JavaScript code through a crafted comment because --!> is mishandled.

Attack Vector

Privileges Req.

User Interaction

Updated Oct 24, 2026View on NVD →

S4E scanner

mediumProduct Based Web Vulnerabilities~10 seconds

CVE-2021-33829 Scanner

CVE-2021-33829 Scanner - Cross-Site Scripting (XSS) vulnerability in CKEditor

Used 2.8k times · 3.4k assets checked · domain, subdomain, ipv4

Scanner page →Run scanner

Monitor this CVE on your assets

S4E maps published CVEs to scanners and forecasts the next disclosure window for your stack.

Create a free account →