VULNERABILITY INTELLIGENCE

CVE-2021-33829

CVSS score6.1 MEDIUM
EPSS probability3.19%
CISA KEVNot currently listed
Published2021-06-09
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

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.

Weakness classification

  • nvd@nist.gov: CWE-79

Primary references