WS-2021-0413 (Medium) detected in tinymce-4.9.11.min.js

[mend-bolt-for-github]

WS-2021-0413 - 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: 928b87c3f458bb28df552e1c49bfeb1231a16bcf

Found in base branch: main

Vulnerability Details

A cross-site scripting (XSS) vulnerability was discovered in the URL processing logic of the image and link plugins. The vulnerability allowed arbitrary JavaScript execution when updating an image or link using a specially crafted URL. This issue only impacted users while editing and the dangerous URLs were stripped in any content extracted from the editor. This impacts all users who are using TinyMCE 5.9.2 or lower.

Publish Date: 2021-11-02

URL: WS-2021-0413

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-r8hm-w5f7-wj39

Release Date: 2021-11-02

Fix Resolution: TinyMCE - 5.10.0, tinymce/tinymce - 5.10.0, TinyMCE - 5.10.0

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