uListing <= 1.6.6 - Unauthenticated Information Disclosure

Missing Authorization
CVE CVE-2021-4339
CVSS 7.5 (High)
Publicly Published January 28, 2021
Last Updated June 7, 2023
Researcher Jerome Bruandet - NinTechNet


The uListing plugin for WordPress is vulnerable to authorization bypass due to a missing capability check in the "ulisting/includes/route.php" file on the /1/api/ulisting-user/search REST-API route in versions up to, and including, 1.6.6. This makes it possible for unauthenticated attackers to retrieve the list of all users and their email address in the database.



1 affected software package

Software Type Plugin
Software Slug ulisting (view on wordpress.org)
Patched? Yes
Remediation Update to version 1.7, or a newer patched version
Affected Version
  • < 1.7
Patched Version
  • 1.7

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