ckeditor ckeditor CVE-2021-37695 vulnerability in Ckeditor and Other Products
Published on August 13, 2021

Execution of JavaScript code using malformed HTML in ckeditor

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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.

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Vulnerability Analysis

CVE-2021-37695 can be exploited with network access, requires user interaction and a small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality and integrity, and no impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
NONE

Weakness Type

What is a XSS Vulnerability?

The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

CVE-2021-37695 has been classified to as a XSS vulnerability or weakness.


Products Associated with CVE-2021-37695

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2021-37695 are published in these products:

Ckeditor
 
Debian Linux
 
Fedora Project Fedora
 
Oracle Commerce Guided Search
 
Oracle Commerce Merchandising
 
Oracle Documaker
 
Oracle Financial Services Model Management Governance
 
Oracle Jd Edwards Enterpriseone Tools
 
Oracle Application Express
 
Oracle Banking Party Management
 
Oracle Financial Services Analytical Applications Infrastructure
 
Oracle Peoplesoft Enterprise Peopletools
 
Canonical Ubuntu Linux
 

Affected Versions

ckeditor4 Version < 4.16.2 is affected by CVE-2021-37695

Vulnerable Packages

The following package name and versions may be associated with CVE-2021-37695

Package Manager Vulnerable Package Versions Fixed In
npm plugins/fakeobjects/plugin.js < 4.16.2 4.16.2
composer pimcore/pimcore < 10.1.1 10.1.1

Exploit Probability

EPSS
0.48%
Percentile
64.41%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.