Bug 1993482 (CVE-2021-32808) - CVE-2021-32808 ckeditor: widget feature vulnerability allowing to execute JavaScript code using undo functionality
Summary: CVE-2021-32808 ckeditor: widget feature vulnerability allowing to execute Jav...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2021-32808
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1993483 1993484
Blocks:
TreeView+ depends on / blocked
 
Reported: 2021-08-13 13:25 UTC by Guilherme de Almeida Suckevicz
Modified: 2021-08-13 13:28 UTC (History)
2 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2021-08-13 13:28:10 UTC
Embargoed:


Attachments (Terms of Use)

Description Guilherme de Almeida Suckevicz 2021-08-13 13:25:52 UTC
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.

Reference:
https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-6226-h7ff-ch6c

Comment 1 Guilherme de Almeida Suckevicz 2021-08-13 13:26:09 UTC
Created ckeditor tracking bugs for this issue:

Affects: epel-7 [bug 1993484]
Affects: fedora-all [bug 1993483]

Comment 2 Product Security DevOps Team 2021-08-13 13:28:10 UTC
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.


Note You need to log in before you can comment on or make changes to this bug.