Vulnerability Intelligence Report
CVE-2021-33829
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.
Nuclei Template
CVSS Base Score
6.1
MEDIUM
EPSS Probability:3.19%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
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Weaponization
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SSVC Action
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Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| ckeditor | ckeditor | all |
| fedoraproject | fedora | 33, 34, 35 |
| drupal | drupal | all |
| debian | debian_linux | 9.0 |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | MITRE Corporation · N/A · USA |
| Reserved | 2021-06-03T00:00:00 |
| Published | 2021-06-09T11:51:00 |
| Last Updated | 2024-08-03T23:58:23 |
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