CVE-2021-33829

Published Jun 9, 2021 CVSS 3.1 · 6.1 Medium EPSS 3.2% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-2813-1 ckeditor security update
EUVD EUVD EUVD-2021-1398 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.
Github GHSA Github GHSA GHSA-rgx6-rjj4-c388 ckeditor4 vulnerable to cross-site scripting
Ubuntu USN Ubuntu USN USN-5340-1 CKEditor vulnerabilities
Ubuntu USN Ubuntu USN USN-5340-2 CKEditor vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 3, 2024, 11:58 PM
Reserved
Jun 3, 2021, 12:00 AM
Status
Modified
Published
Jun 9, 2021, 12:15 PM
Modified
Jun 17, 2026, 3:55 AM