code-projects Simple Laundry System Parameter delmemberinfo.php (SQL Injection)

Successful exploitation of CVE-2026-5565 allows an attacker to execute arbitrary SQL queries against the Simple Laundry System's database. This could lead to unauthorized access, modification, or deletion of sensitive data, including user credentials, financial information, and operational records. The remote nature of the vulnerability means an attacker doesn't need local access to the system. The potential for data exfiltration and subsequent misuse is significant, and a compromised database could disrupt the entire laundry system's operations. While no specific precedent is immediately apparent, SQL injection vulnerabilities are consistently among the most exploited web application flaws.

Organizations utilizing Simple Laundry System in environments with direct user input to database queries are at significant risk. Shared hosting environments where multiple users share the same database instance are particularly vulnerable, as a successful attack could impact all users on the server. Legacy configurations with outdated security practices and inadequate input validation are also at increased risk.

• php: Examine access logs for requests to /delmemberinfo.php with unusual or malformed 'userid' parameters. Look for patterns indicative of SQL injection attempts (e.g., single quotes, double quotes, semicolons).

 grep -i "(select|union|insert|delete|drop)" /var/log/apache2/access.log | grep /delmemberinfo.php

• generic web: Use curl to test the /delmemberinfo.php endpoint with a simple SQL injection payload (e.g., userid=1' OR '1'='1).

curl -X POST -d "userid=1' OR '1'='1" http://your-simple-laundry-system/delmemberinfo.php

• generic web: Check response headers for unexpected errors or SQL-related messages that might indicate successful injection.

1. 2026-04-05Disclosure

   disclosure

1. Reserviert2026-04-04
2. Veröffentlicht2026-04-05
3. Geändert2026-04-07
4. EPSS aktualisiert2026-04-13

The primary mitigation for CVE-2026-5565 is to upgrade to a patched version of Simple Laundry System as soon as it becomes available. In the interim, several workarounds can reduce the risk. Implement a Web Application Firewall (WAF) with rules to detect and block SQL injection attempts targeting the /delmemberinfo.php endpoint. Strict input validation on the 'userid' parameter is essential; ensure all input is properly sanitized and validated against expected data types and lengths. Consider restricting access to the /delmemberinfo.php file to authorized users only. After implementing these mitigations, verify their effectiveness by attempting to inject a simple SQL query through the 'userid' parameter and confirming that it is blocked or properly sanitized.