high
7.3
CWE
79
Advisory Published
Updated

CVE-2021-37695: Execution of JavaScript code using malformed HTML in ckeditor

First published: Thu Aug 12 2021(Updated: )

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.

Credit: security-advisories@github.com

Affected SoftwareAffected VersionHow to fix
Ckeditor Ckeditor<4.16.2
Debian Debian Linux=9.0
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 Analytical Applications Infrastructure=8.0.3
Oracle Financial Services Model Management And Governance>=8.0.8.0.0<=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
IBM IBM® Engineering Requirements Management DOORS<=9.7.2.7
IBM IBM® Engineering Requirements Management DOORS Web Access<=9.7.2.7

Remedy

https://github.com/ckeditor/ckeditor4/commit/de3c001540715f9c3801aaa38a1917de46cfcf58

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 the vulnerability ID of this CKEditor vulnerability?

    The vulnerability ID is CVE-2021-37695.

  • What is CKEditor?

    CKEditor is an open source WYSIWYG HTML editor with rich content support.

  • What is the severity of CVE-2021-37695?

    The severity of CVE-2021-37695 is high with a CVSS score of 5.4.

  • How does CVE-2021-37695 impact CKEditor 4?

    CVE-2021-37695 allows the injection of malformed Fake Objects HTML, which could result in executing arbitrary code.

  • How can I fix CVE-2021-37695?

    To fix CVE-2021-37695, upgrade to CKEditor version 4.16.3 or later.

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