Bug 1993485 (CVE-2021-32809) - CVE-2021-32809 ckeditor: clipboard feature vulnerability allowing to inject arbitrary HTML into the editor using paste functionality
Summary: CVE-2021-32809 ckeditor: clipboard feature vulnerability allowing to inject a...
Alias: CVE-2021-32809
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
Depends On: 1993486 1993487
TreeView+ depends on / blocked
Reported: 2021-08-13 13:32 UTC by Guilherme de Almeida Suckevicz
Modified: 2021-08-13 19:28 UTC (History)
2 users (show)

Fixed In Version:
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Last Closed: 2021-08-13 19:28:10 UTC

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Description Guilherme de Almeida Suckevicz 2021-08-13 13:32:57 UTC
ckeditor is an open source WYSIWYG HTML editor with rich content support. A potential vulnerability has been discovered in CKEditor 4 [Clipboard](https://ckeditor.com/cke4/addon/clipboard) package. The vulnerability allowed to abuse paste functionality using malformed HTML, which could result in injecting arbitrary HTML into the editor. It affects all users using the CKEditor 4 plugins listed above at version >= 4.5.2. The problem has been recognized and patched. The fix will be available in version 4.16.2.


Comment 1 Guilherme de Almeida Suckevicz 2021-08-13 13:33:16 UTC
Created ckeditor tracking bugs for this issue:

Affects: epel-7 [bug 1993487]
Affects: fedora-all [bug 1993486]

Comment 2 Product Security DevOps Team 2021-08-13 19:28:10 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.

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