vulnerability

Ubuntu: (Multiple Advisories) (CVE-2021-33829): CKEditor vulnerabilities

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Severity

CVSS

(AV:N/AC:M/Au:N/C:N/I:P/A:N)

Published

Jun 9, 2021

Added

Mar 23, 2022

Modified

Mar 27, 2026

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.

Solution

ubuntu-upgrade-ckeditor

References

CVE-2021-33829
https://attackerkb.com/topics/CVE-2021-33829
CWE-79
EUVD-EUVD-2021-1398
NVD-CVE-2021-33829
UBUNTU-USN-5340-1
UBUNTU-USN-5340-2
https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-1398

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