KB Support <= 1.6.0 - Missing Authorization

4.3
Missing Authorization
CVE CVE-2024-33589
CVSS 4.3 (Medium)
Publicly Published April 25, 2024
Last Updated May 1, 2024
Researcher beluga

Description

The KB Support plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the kbs_ajax_display_ticket_notes and kbs_ajax_display_ticket_replies function in versions up to, and including, 1.6.0. This makes it possible for authenticated attackers, with subscriber-level access and above, to view ticket notes and replies.

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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 1.6.1, or a newer patched version
Affected Version
  • <= 1.6.0
Patched Version
  • 1.6.1

Recent vulnerabilities in KB Support – Customer Support Ticket & Helpdesk Plugin, Knowledge Base Plugin

# Title CVE ID CVSS Researchers Date
1 KB Support – Customer Support Ticket & Helpdesk Plugin, Knowledge Base Plugin <= 1.7.4 - Unauthenticated Sensitive Information Exposure Through Unprotected Directory CVE-2024-13604 7.5 Tim Coen April 4, 2025
2 KB Support <= 1.6.7 - Unauthenticated Open Redirect CVE-2025-24741 6.1 ardias January 24, 2025
3 KB Support – WordPress Help Desk and Knowledge Base <= 1.6.6 - Missing Authorization to Unauthenticated Ticket Reply Exposure CVE-2024-8632 6.5 Krzysztof Zając September 30, 2024
4 KB Support – WordPress Help Desk and Knowledge Base <= 1.6.6 - Missing Authorization to Authenticated (Subscriber+) Multiple Administrator Actions CVE-2024-8548 8.1 Krzysztof Zając September 30, 2024
5 KB Support <= 1.5.88 - Missing Authorization to Authenticated (Subscriber+) User Data Retrieval 4.3 July 12, 2023
6 KB Support <= 1.5.88 - Missing Authorization to Sensitive Data Exposure CVE-2023-37890 5.4 Rafshanzani Suhada July 11, 2023
7 KB Support <= 1.5.84 - Authenticated (Subscriber+) CSV Injection CVE-2023-25983 4.4 Rafshanzani Suhada February 24, 2023
8 KB Support – WordPress Help Desk <= 1.5.5 - Multiple Unauthenticated Stored Cross-Site Scripting CVE-2022-27852 4.7 Ngo Van Thien April 15, 2022

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