Arbitrary Code Injection Affecting ckeditor package, versions <4.16.2+dfsg-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.16% (55th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-CKEDITOR-1540889
  • published14 Aug 2021
  • disclosed12 Aug 2021

Introduced: 12 Aug 2021

CVE-2021-32809  (opens in a new tab)
CWE-94  (opens in a new tab)

How to fix?

Upgrade Debian:unstable ckeditor to version 4.16.2+dfsg-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ckeditor package and not the ckeditor package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

ckeditor is an open source WYSIWYG HTML editor with rich content support. A potential vulnerability has been discovered in CKEditor 4 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.

CVSS Scores

version 3.1