CSS & JavaScript Toolbox <= 11.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via shortcode

6.4
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2023-50823
CVSS 6.4 (Medium)
Publicly Published December 19, 2023
Last Updated January 24, 2024
Researcher Ngô Thiên An (ancorn_) - VNPT-VCI

Description

The CSS & JavaScript Toolbox plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's shortcode(s) in all versions up to, and including, 11.8 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

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Vulnerability Details for CSS & JavaScript Toolbox

Software Type Plugin
Software Slug css-javascript-toolbox (view on wordpress.org)
Patched? Yes
Remediation Update to version 11.9, or a newer patched version
Affected Version
  • <= 11.8
Patched Version
  • 11.9

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