KB Support <= 1.5.88 - Missing Authorization to Authenticated (Subscriber+) User Data Retrieval

4.3
Missing Authorization
CVSS 4.3 (Medium)
Publicly Published July 12, 2023
Last Updated July 12, 2023

Description

The KB Support plugin for WordPress is vulnerable to user data retrieval in versions up to, and including, 1.5.88. This is due to to a missing capability check on the kbs_ajax_get_customer_data() function. This makes it possible for authenticated attackers with minimal permissions, such as a subscriber, to execute the function and retrieve limited user data like email, name, phone, and url.

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Vulnerability Details for KB Support – Customer Support Ticket & Helpdesk Plugin, Knowledge Base Plugin

Software Type Plugin
Software Slug kb-support (view on wordpress.org)
Patched? Yes
Remediation Update to version 1.5.89, or a newer patched version
Affected Version
  • < 1.5.89
Patched Version
  • 1.5.89

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