Executive Summary

CVE-2025-10115 is a SQL injection vulnerability in SiempreCMS versions up to 1.3.6, specifically in the file user_search_ajax.php. The vulnerability occurs because user inputs, particularly the parameters 'name' or 'userName', are improperly handled and directly incorporated into SQL queries without proper sanitization or use of prepared statements. This allows an attacker to inject malicious SQL code remotely, potentially manipulating the database queries to access or alter data unauthorizedly. [1, 2, 3]

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Impact Analysis

This vulnerability can allow an attacker to remotely execute SQL injection attacks on the affected SiempreCMS system. This can lead to unauthorized access to sensitive data, data manipulation, or disruption of the system's confidentiality, integrity, and availability. Since the exploit is publicly disclosed and easy to perform without authentication, attackers can exploit this vulnerability to compromise the affected system and its data. [1, 2, 3]

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Detection Guidance

This vulnerability can be detected by checking for the presence of the vulnerable SiempreCMS version (up to 1.3.6) and specifically the file user_search_ajax.php. One detection method is to look for HTTP POST requests to user_search_ajax.php with parameters like user-search-username or user-search-name containing suspicious SQL injection payloads (e.g., ' OR 1=1--). A practical approach is to monitor network traffic or logs for such requests. Additionally, Google dorking with the query inurl:user_search_ajax.php can help identify vulnerable targets. A sample command to test the vulnerability using curl is: curl -X POST -b "PHPSESSID=<valid_session_id>" -d "action=search&user-search-username=test' OR 1=1--" https://target.com/path/user_search_ajax.php This command sends a crafted POST request to test for SQL injection via the user-search-username parameter. [2, 3]

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Mitigation Strategies

Immediate mitigation steps include disabling or restricting access to the vulnerable user_search_ajax.php file to prevent exploitation. Since no known mitigations or patches are published, it is recommended to replace SiempreCMS versions up to 1.3.6 with a non-vulnerable version or an alternative product. Additionally, implementing web application firewall (WAF) rules to detect and block SQL injection attempts targeting the user-search-username and user-search-name parameters can help reduce risk. Avoid using the affected version until a fix or update is available. [3]

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