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CVE-2021-33829

CVE-2021-33829

18Vexday Risk Score

Patch soon. It has a working public exploit.

ssvc Attendepss 3.2%
exploitation probability
3.2%top 13% of all CVEs
observed exploitation
nono source reports it
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.
Affected products
n/a · n/a
References
https://ckeditor.com/blog/ckeditor-4.16.1-with-accessibility-enhancements/#improvements-for-comments-in-html-parserhttps://lists.debian.org/debian-lts-announce/2021/11/msg00007.htmlhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NYA354LJP47KCVJMTUO77ZCX3ZK42G3T/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UVOYN2WKDPLKCNILIGEZM236ABQASLGW/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WAGNWHFIQAVCP537KFFS2A2GDG66J7XD/https://www.drupal.org/sa-core-2021-003