PublicDateAtUSN: 2021-08-12 17:15:00 UTC
Candidate: CVE-2021-32808
PublicDate: 2021-08-12 17:15:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-32808
 https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-6226-h7ff-ch6c
 https://github.com/ckeditor/ckeditor4/releases/tag/4.16.2
 https://ubuntu.com/security/notices/USN-5340-1
Description:
 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.
Ubuntu-Description:
Notes:
Mitigation:
Bugs:
Priority: medium
Discovered-by:
Assigned-to:
CVSS:
 nvd: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N [5.4 MEDIUM]


Patches_ckeditor:
upstream_ckeditor: not-affected (4.16.2)
trusty_ckeditor: ignored (out of standard support)
trusty/esm_ckeditor: DNE
xenial_ckeditor: ignored (out of standard support)
bionic_ckeditor: not-affected (code not present)
focal_ckeditor: not-affected (code not present)
hirsute_ckeditor: ignored (reached end-of-life)
impish_ckeditor: released (4.16.0+dfsg-2ubuntu0.1)
jammy_ckeditor: not-affected (4.16.2+dfsg-1)
devel_ckeditor: not-affected (4.16.2+dfsg-1)