WS-2021-0025 (Medium) detected in tinymce-4.9.11.min.js

[mend-bolt-for-github]

WS-2021-0025 - Medium Severity Vulnerability

Vulnerable Library - tinymce-4.9.11.min.js

TinyMCE rich text editor

Library home page: https://cdnjs.cloudflare.com/ajax/libs/tinymce/4.9.11/tinymce.min.js

Path to vulnerable library: /wp-content/themes/Divi/includes/builder/frontend-builder/assets/vendors/tinymce.min.js

Dependency Hierarchy:

• ❌ tinymce-4.9.11.min.js (Vulnerable Library)

Found in HEAD commit: 2a547a4e11432904e06e68b474dda27a1778e276

Found in base branch: main

Vulnerability Details

A cross-site scripting (XSS) vulnerability was discovered in the URL sanitization logic of the core parser of TinyMCE. The vulnerability allowed arbitrary JavaScript execution when inserting a specially crafted piece of content into the editor using the clipboard or APIs. This impacts all users who are using TinyMCE 5.5.1 or lower.
The issue has been fixed in TinyMCE 5.6.0.

Publish Date: 2021-02-19

URL: WS-2021-0025

CVSS 3 Score Details (6.1)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Changed
• Impact Metrics:
  • Confidentiality Impact: Low
  • Integrity Impact: Low
  • Availability Impact: None

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: GHSA-w7jx-j77m-wp65

Release Date: 2021-02-19

Fix Resolution: tinymce - 5.6.0

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