CVE-2026-2232: WooCommerce Product Table SQLi Vulnerability

CVE-2026-2232 Overview

The Product Table and List Builder for WooCommerce Lite plugin for WordPress is vulnerable to time-based SQL Injection via the search parameter in all versions up to, and including, 4.6.2. The vulnerability stems from insufficient escaping on the user-supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

Critical Impact

Unauthenticated attackers can exploit this SQL Injection vulnerability to extract sensitive information from WordPress databases, potentially compromising user credentials, payment data, and other confidential information stored by WooCommerce installations.

Affected Products

• Product Table and List Builder for WooCommerce Lite plugin versions up to and including 4.6.2
• WordPress installations running vulnerable plugin versions
• WooCommerce stores utilizing the affected plugin

Discovery Timeline

• 2026-02-19 - CVE-2026-2232 published to NVD
• 2026-02-19 - Last updated in NVD database

Technical Details for CVE-2026-2232

Vulnerability Analysis

This vulnerability is classified as CWE-89 (Improper Neutralization of Special Elements used in an SQL Command), commonly known as SQL Injection. The flaw exists within the search.php file of the Product Table and List Builder for WooCommerce Lite plugin, specifically at multiple locations including lines 549, 574, and 598.

The time-based SQL Injection technique allows attackers to infer database information by observing response time differences when injecting conditional time delays into SQL queries. Unlike error-based or union-based SQL injection, time-based blind injection does not require visible error messages or query results to be successful.

The vulnerability is particularly severe because it can be exploited by unauthenticated users, meaning any visitor to a WordPress site running the vulnerable plugin can potentially extract database contents without requiring any credentials or prior authentication.

Root Cause

The root cause of this vulnerability is the failure to properly sanitize and escape user input before incorporating it into SQL queries. The search parameter accepts user-controlled input that is directly concatenated into database queries without using WordPress's prepared statement functions (such as $wpdb->prepare()) or adequate input validation.

This represents a fundamental violation of secure coding practices for database interactions, where all user input must be treated as potentially malicious and properly sanitized before use in SQL operations.

Attack Vector

The attack is network-accessible and requires no authentication or user interaction. An attacker can craft malicious HTTP requests containing specially formatted payloads in the search parameter. By injecting SQL commands that include time delay functions (such as SLEEP() in MySQL), attackers can extract database information one bit at a time by measuring response times.

For example, an attacker could inject payloads that cause the database to delay its response if certain conditions are true, allowing them to enumerate database contents character by character. This technique can be used to extract usernames, password hashes, email addresses, and any other data stored in the WordPress database.

Detailed technical analysis of the vulnerable code paths can be found in the WordPress Plugin Source Code and the Wordfence Vulnerability Report.

Detection Methods for CVE-2026-2232

Indicators of Compromise

• Unusual spikes in database query execution times or server response latency
• Access logs containing suspicious search parameter values with SQL syntax characters such as single quotes, SLEEP(), BENCHMARK(), or WAITFOR keywords
• Repeated requests to plugin endpoints from the same IP with incrementally modified payloads
• Database performance degradation during active exploitation attempts

Detection Strategies

• Implement Web Application Firewall (WAF) rules to detect and block SQL injection patterns in HTTP parameters
• Monitor application logs for requests containing SQL injection signatures such as time-based payload keywords
• Deploy intrusion detection systems (IDS) with signatures for common SQL injection attack patterns
• Utilize security plugins like Wordfence that can identify and alert on exploitation attempts

Monitoring Recommendations

• Enable detailed logging for WordPress and the web server to capture full request parameters
• Set up alerting for unusual database query patterns or execution times
• Monitor for bulk data exfiltration attempts that may follow successful exploitation
• Track access to sensitive database tables containing user credentials or payment information

How to Mitigate CVE-2026-2232

Immediate Actions Required

• Update the Product Table and List Builder for WooCommerce Lite plugin to the latest patched version immediately
• Review access logs for signs of exploitation attempts targeting the search parameter
• Consider temporarily disabling the plugin if an immediate update is not possible
• Implement WAF rules to block SQL injection attempts while preparing for patching

Patch Information

A security fix has been released by the plugin developers. The patch can be reviewed in WordPress Changeset #3457877. Site administrators should update to the latest version available through the WordPress plugin repository.

The fix implements proper input sanitization and uses WordPress's prepared statement functions to prevent SQL injection through the search parameter.

Workarounds

• Deploy a Web Application Firewall with SQL injection protection rules as a temporary mitigation
• Restrict access to the plugin's search functionality via IP whitelisting if business requirements allow
• Disable the plugin entirely until the patch can be applied in environments where immediate updates are not feasible
• Implement server-level input filtering to block common SQL injection patterns

# Example: Temporary .htaccess rule to block suspicious search parameters
# Add to WordPress root .htaccess file

<IfModule mod_rewrite.c>
RewriteEngine On
RewriteCond %{QUERY_STRING} (sleep|benchmark|waitfor|delay)\s*\( [NC,OR]
RewriteCond %{QUERY_STRING} (union\s+select|select\s+.*\s+from) [NC]
RewriteRule .* - [F,L]
</IfModule>