CVE-2023-37890 MEDIUM

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

Vendor Wpomnia
Product KB Support – WordPress Help Desk and Knowledge Base
Weakness CWE-862 · Missing authorization
Published November 30, 2023
Last update April 28, 2026

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

What the vulnerability does

01Description

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.

Explanation of Vulnerability in Simple Terms

02Summary

The KB Support plugin for WordPress does not properly check user permissions before allowing access to certain functions. A logged-in user with low privileges can read sensitive information they should not have access to. The vulnerability affects versions up to 1.5.88. Update the plugin to a version newer than 1.5.88.

What an attacker can do

03Attacker Capabilities

Read sensitive information from the help desk or knowledge base that should be restricted to higher-privilege users.

Potential impact on your site

04Site Impact

Confidential help desk tickets, knowledge base articles, or user data may be exposed to low-privilege site users.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege WordPress user account (e.g., subscriber or contributor role).

Key dates

06Disclosure timeline

November 30, 2023 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE