CVE-2021-37695

Name	CVE-2021-37695
Description	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.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-2813-1
Debian Bugs	992290

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
ckeditor (PTS)	bullseye	4.16.0+dfsg-2	vulnerable
	bookworm	4.19.1+dfsg-1	fixed
	sid	4.22.1+dfsg1-2	fixed
ckeditor3 (PTS)	bookworm, bullseye	3.6.6.1+dfsg-7	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Origin	Debian Bugs
ckeditor	source	stretch	4.5.7+dfsg-2+deb9u1	DLA-2813-1
ckeditor	source	(unstable)	4.16.2+dfsg-1		992290
ckeditor3	source	(unstable)	(not affected)

Notes

[bullseye] - ckeditor <no-dsa> (Minor issue)
[buster] - ckeditor <no-dsa> (Minor issue)
- ckeditor3 <not-affected> (fakeobjects plugin only in ckeditor 4)
https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-m94c-37g6-cjhc
https://github.com/ckeditor/ckeditor4/commit/de3c001540715f9c3801aaa38a1917de46cfcf58