CVE-2023-37890 WordPress KB Support Plugin <= 1.5.88 is vulnerable to Broken Access Control

What is CVE-2023-37890?

CVE-2023-37890 is a medium-severity missing authorization vulnerability in WPOmnia KB Support – WordPress Help Desk and Knowledge Base, published on 30 Nov 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Missing Authorization vulnerability in WPOmnia KB Support – WordPress Help Desk and Knowledge Base allows Accessing Functionality Not Properly Constrained by ACLs. Users with a role as low as a subscriber can view other customers.This issue affects KB Support – WordPress Help Desk and Knowledge Base: from n/a through 1.5.88.

Weakness: CWE-862

Which versions are affected by CVE-2023-37890?

It affects 1 product.

Products include Logon Kb Support.

How do I fix CVE-2023-37890?

No fix has been published for CVE-2023-37890 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-2023-37890 being exploited?

There is no known exploitation of CVE-2023-37890 in the wild and no public exploit code.

Other vulnerabilities in WPOmnia KB Support – WordPress Help Desk and Knowledge Base

• CVE-2023-25983 WordPress KB Support Plugin <= 1.5.84 is vulnerable to CSV Injection High 8.8
• CVE-2024-8548 Missing authorization in KB Support – Customer Support Ticket & Helpdesk Plugin, Knowledge Base Plugin High 8.1
• CVE-2024-8632 Missing authorization in KB Support – Customer Support Ticket & Helpdesk Plugin, Knowledge Base Plugin Medium 6.5
• CVE-2024-33589 WordPress KB Support plugin <= 1.6.0 - Broken Access Control vulnerability Medium 6.5
• CVE-2025-24741 WordPress KB Support plugin <= 1.6.7 - Open Redirection vulnerability Medium 4.7

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-85c9-pfrr-38q8.