Gallery Blocks with Lightbox <= 3.0.7 - Missing Authorization in pgc_sgb_action_wizard

Missing Authorization
CVE CVE-2023-0441
CVSS 8.1 (High)
Publicly Published March 1, 2023
Last Updated March 15, 2023
Researcher dc11


The Gallery Blocks with Lightbox plugin for WordPress is vulnerable to unauthorized data modification due to a missing capability check on the pgc_sgb_action_wizard function called via an AJAX action in versions up to, and including, 3.0.7. This makes it possible for authenticated attackers with subscriber-level access to retrieve and edit post data and metadata, update and retrieve arbitrary options, retrieve post listings, as well as taxonomy terms and post content.



Vulnerability Details for Gallery Blocks with Lightbox. Image Gallery, (HTML5 video , YouTube, Vimeo) Video Gallery and Lightbox for native gallery

Software Type Plugin
Software Slug simply-gallery-block (view on
Patched? Yes
Remediation Update to version 3.0.8, or a newer patched version
Affected Version
  • <= 3.0.7
Patched Version
  • 3.0.8

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