Stackable – Page Builder Gutenberg Blocks <= 3.12.11 - Authenticated(Contributor+) Stored Cross-Site Scripting via Posts Block

6.4
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2024-2039
CVSS 6.4 (Medium)
Publicly Published March 28, 2024
Last Updated April 9, 2024
Researchers Ngô Thiên An (ancorn_) - VNPT-VCI
Dau Hoang Tai - VCI

Description

The Stackable – Page Builder Gutenberg Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Post(v2) block title tag in all versions up to, and including, 3.12.11 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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1 affected software package

Software Type Plugin
Software Slug stackable-ultimate-gutenberg-blocks (view on wordpress.org)
Patched? Yes
Remediation Update to version 3.12.12, or a newer patched version
Affected Version
  • <= 3.12.11
Patched Version
  • 3.12.12

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