Ultimate Responsive Image Slider <= 3.5.11 - Missing Authorization via AJAX action

Missing Authorization
CVE CVE-2023-6077
CVSS 4.3 (Medium)
Publicly Published November 16, 2023
Last Updated December 22, 2023
Researcher Krzysztof Zając - CERT PL


The Slider – Ultimate Responsive Image Slider plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the ajax_get_thumbnail_uris function in all versions up to 3.5.11 (inclusive). This makes it possible for subscriber-level attackers to access the meta-information associated with sliders.



1 affected software package

Software Type Plugin
Software Slug ultimate-responsive-image-slider (view on wordpress.org)
Patched? Yes
Remediation Update to version 3.5.12, or a newer patched version
Affected Version
  • <= 3.5.11
Patched Version
  • 3.5.12

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