CVE-2021-32808
Cross-site scripting in ckeditor via abuse of undo functionality
Vexday Risk Score
21Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 7.6EPSS 1.2%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado
Lifecycle
12 Aug 2021Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
ckeditor is an open source WYSIWYG HTML editor with rich content support. A vulnerability has been discovered in the clipboard Widget plugin if used alongside the undo feature. The vulnerability allows a user to abuse undo functionality using malformed widget HTML, which could result in executing JavaScript code. It affects all users using the CKEditor 4 plugins listed above at version >= 4.13.0. The problem has been recognized and patched. The fix will be available in version 4.16.2.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N
Affected products
ckeditor · ckeditor4Want to know if your infrastructure is exposed to this?
Talk to TrueHacking →References
https://github.com/ckeditor/ckeditor4/releases/tag/4.16.2https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-6226-h7ff-ch6chttps://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.oracle.com/security-alerts/cpujan2022.htmlhttps://www.oracle.com/security-alerts/cpuoct2021.html