high
7.6
CWE
79
Advisory Published
Updated

CVE-2021-32808: Cross-site scripting in ckeditor via abuse of undo functionality

First published: Thu Aug 12 2021(Updated: )

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.

Credit: security-advisories@github.com

Affected SoftwareAffected VersionHow to fix
Ckeditor Ckeditor>=4.13.0<4.16.2
Fedoraproject Fedora=33
Fedoraproject Fedora=34
Fedoraproject Fedora=35
Oracle Application Express<21.1.4
Oracle Banking Party Management=2.7.0
Oracle Commerce Guided Search=11.3.2
Oracle Commerce Merchandising=11.3.2
Oracle Documaker=12.6.3
Oracle Documaker=12.6.4
Oracle Financial Services Analytical Applications Infrastructure>=8.0.7<=8.1.1
Oracle Financial Services Model Management And Governance=8.0.8.0.0
Oracle Financial Services Model Management And Governance=8.1.0.0.0
Oracle Jd Edwards Enterpriseone Tools<=9.2.6.0
Oracle PeopleSoft Enterprise PeopleTools=8.57
Oracle PeopleSoft Enterprise PeopleTools=8.58
Oracle PeopleSoft Enterprise PeopleTools=8.59
Oracle Siebel Ui Framework<=21.9
Oracle WebCenter Sites=12.2.1.3.0
Oracle WebCenter Sites=12.2.1.4.0

Remedy

https://www.oracle.com/security-alerts/cpujan2022.html

Remedy

https://www.oracle.com/security-alerts/cpuoct2021.html

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2021-32808?

    CVE-2021-32808 is a vulnerability in CKEditor that allows for cross-site scripting if the clipboard Widget plugin is used alongside the undo feature.

  • How does CVE-2021-32808 affect CKEditor?

    CVE-2021-32808 affects CKEditor by allowing a remote attacker to execute malicious code in a victim's web browser.

  • What is the severity level of CVE-2021-32808?

    CVE-2021-32808 has a severity level of 7.6, which is considered high.

  • How can the CVE-2021-32808 vulnerability be exploited?

    The CVE-2021-32808 vulnerability can be exploited by using malformed widget HTML in conjunction with the undo feature in CKEditor.

  • Is there a fix available for CVE-2021-32808?

    Yes, CKEditor has released a fix for CVE-2021-32808. It is recommended to update to the latest version of CKEditor to mitigate the vulnerability.

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