CVE-2024-8548 Missing authorization in KB Support – Customer Support Ticket & Helpdesk Plugin, Knowledge Base Plugin

High 8.1 Published 1 Oct 2024 Updated 8 Apr 2026

Authenticated subscribers can perform administrative actions like deleting posts and modifying tickets due to missing capability checks in the KB Support plugin.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2024-8548?

CVE-2024-8548 is a high-severity missing authorization vulnerability in logoninc KB Support – Customer Support Ticket & Helpdesk Plugin, Knowledge Base Plugin, published on 1 Oct 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The KB Support – WordPress Help Desk and Knowledge Base plugin for WordPress is vulnerable to unauthorized modification and loss of data due to a missing capability check on several functions in the /includes/ajax-functions.php file all versions up to, and including, 1.6.6. This makes it possible for authenticated attackers, with Subscriber-level access and above, to perform multiple administrative actions, such as replying to arbitrary tickets, updating the status of any post, deleting any post, adding notes to tickets, flagging or unflagging tickets, and adding or removing ticket participants.

Weakness: CWE-862

Which versions are affected by CVE-2024-8548?

It affects 1 product.

Products include Logon Kb Support.

How do I fix CVE-2024-8548?

No fix has been published for CVE-2024-8548 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2024-8548 being exploited?

There is no known exploitation of CVE-2024-8548 in the wild and no public exploit code.

Sources

Also known as GHSA-2cjx-jpg9-5gqm.