Bug 1993488 (CVE-2021-37695) - CVE-2021-37695 ckeditor: fake objects feature vulnerability allowing to execute JavaScript code using malformed HTML
Summary: CVE-2021-37695 ckeditor: fake objects feature vulnerability allowing to execu...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2021-37695
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: 1993489 1993490
Blocks:
TreeView+ depends on / blocked
 
Reported: 2021-08-13 13:34 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 19:28:14 UTC

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Description Guilherme de Almeida Suckevicz 2021-08-13 13:34:59 UTC 
ckeditor is an open source WYSIWYG HTML editor with rich content support. A potential vulnerability has been discovered in CKEditor 4 [Fake Objects](https://ckeditor.com/cke4/addon/fakeobjects) package. The vulnerability allowed to inject malformed Fake Objects HTML, which could result in executing JavaScript code. It affects all users using the CKEditor 4 plugins listed above at version < 4.16.2. 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-m94c-37g6-cjhc

Upstream patch:
https://github.com/ckeditor/ckeditor4/commit/de3c001540715f9c3801aaa38a1917de46cfcf58
Comment 1 Guilherme de Almeida Suckevicz 2021-08-13 13:35:17 UTC 
Created ckeditor tracking bugs for this issue:

Affects: epel-7 [bug 1993490]
Affects: fedora-all [bug 1993489]
Comment 2 Product Security DevOps Team 2021-08-13 19:28:14 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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