CVE-2026-32366

Rob Felty · Collapsing Categories (WordPress Plugin)

The Collapsing Categories plugin for WordPress is vulnerable to Blind SQL Injection, which could lead to unauthorized database access and information disclosure.

Executive summary

A high-severity Blind SQL Injection vulnerability in the Collapsing Categories WordPress plugin allows attackers to compromise database security and extract sensitive site information.

Vulnerability

The plugin is susceptible to Blind SQL Injection due to inadequate input sanitization in its database query logic. This allows an attacker to send crafted requests that manipulate SQL execution, facilitating the extraction of sensitive data through inference.

Business impact

The CVSS score of 8.5 highlights the critical nature of this flaw. Successful exploitation could result in the theft of administrative credentials and sensitive site data, potentially leading to unauthorized content modification or complete site defacement.

Remediation

Immediate Action: Update the Collapsing Categories plugin to the latest available version immediately to mitigate the SQL Injection risk.

Proactive Monitoring: Review web server logs for repetitive requests to the plugin's endpoints that appear to be testing logical conditions or inducing time delays.

Compensating Controls: Implement a robust Web Application Firewall (WAF) to filter out common SQL Injection attack patterns and restrict database user privileges to the minimum necessary.

Exploitation status

Public Exploit Available: false

Analyst recommendation

Immediate remediation via patching is the only effective way to address this high-severity vulnerability. Administrators should prioritize this update to ensure the continued security of their WordPress installation and its underlying data.