CVE-2019-25522: XooGallery SQL Injection Vulnerability

CVE-2019-25522 Overview

CVE-2019-25522 is a SQL Injection vulnerability discovered in XooGallery Latest that allows unauthenticated attackers to manipulate database queries by injecting malicious SQL code through the photo_id parameter. Attackers can send crafted GET requests to photo.php with malicious photo_id values to extract sensitive data, bypass authentication mechanisms, or modify database contents without requiring any prior authentication.

Critical Impact

Unauthenticated attackers can exploit this SQL injection vulnerability to extract sensitive database contents, bypass authentication controls, or manipulate database records through the vulnerable photo_id parameter in photo.php.

Affected Products

• XooGallery Latest (all versions)

Discovery Timeline

• 2026-03-12 - CVE-2019-25522 published to NVD
• 2026-03-12 - Last updated in NVD database

Technical Details for CVE-2019-25522

Vulnerability Analysis

This vulnerability is classified as CWE-89 (SQL Injection), a critical class of web application security flaws where user-supplied input is improperly incorporated into SQL queries without adequate sanitization or parameterization. The vulnerable endpoint photo.php accepts a photo_id parameter via GET requests that is directly concatenated into database queries without proper validation or escaping.

SQL injection vulnerabilities of this nature are particularly dangerous because they require no authentication, allowing any remote attacker to interact directly with the backend database. The network-accessible attack vector combined with low complexity exploitation makes this vulnerability highly exploitable in real-world scenarios.

Root Cause

The root cause of CVE-2019-25522 stems from insufficient input validation and the lack of parameterized queries in the XooGallery Latest application. The photo_id parameter in photo.php is directly interpolated into SQL statements without sanitization, allowing attackers to break out of the intended query structure and inject arbitrary SQL commands.

This represents a fundamental secure coding failure where user-controlled input is trusted and used directly in database operations. Proper remediation requires implementing prepared statements with parameterized queries to ensure user input is always treated as data rather than executable code.

Attack Vector

The attack is conducted remotely over the network by sending malicious HTTP GET requests to the photo.php endpoint. Attackers craft specially constructed photo_id parameter values containing SQL syntax that, when processed by the vulnerable application, alters the intended database query behavior.

Exploitation techniques may include UNION-based injection to extract data from other tables, boolean-based blind injection to enumerate database contents character by character, or time-based blind injection when direct output is not available. The vulnerability allows attackers to potentially read sensitive information such as user credentials, session tokens, or other confidential data stored in the database. For detailed exploitation methodology, refer to the Exploit-DB #46609 entry and the VulnCheck SQL Injection Advisory.

Detection Methods for CVE-2019-25522

Indicators of Compromise

• HTTP access logs showing GET requests to photo.php with unusual or malformed photo_id parameter values
• Requests containing SQL keywords such as UNION, SELECT, OR 1=1, single quotes, or comment sequences in URL parameters
• Database error messages appearing in application responses indicating query syntax errors
• Abnormal database query patterns or performance degradation from injection attempts

Detection Strategies

• Deploy Web Application Firewall (WAF) rules to detect and block SQL injection patterns in the photo_id parameter
• Implement application-layer logging to capture all requests to photo.php with detailed parameter inspection
• Configure database activity monitoring to alert on unusual query structures or unauthorized data access patterns
• Use intrusion detection systems with SQL injection signature matching capabilities

Monitoring Recommendations

• Enable detailed HTTP access logging for the web server hosting XooGallery with focus on query string parameters
• Configure database audit logging to track all queries executed against the application database
• Set up alerts for multiple failed requests or error responses from photo.php that may indicate probing attempts
• Monitor for data exfiltration patterns such as large response sizes or unusual outbound traffic from the database server

How to Mitigate CVE-2019-25522

Immediate Actions Required

• Restrict public access to the XooGallery application until a permanent fix can be implemented
• Implement WAF rules to block requests containing SQL injection payloads targeting the photo_id parameter
• Review database logs for evidence of prior exploitation and audit sensitive data integrity
• Consider disabling or removing the vulnerable photo.php functionality if not essential to operations

Patch Information

No vendor patch information is currently available for this vulnerability. Organizations using XooGallery Latest should implement the recommended workarounds immediately and consider migrating to alternative gallery software with active security maintenance. For additional technical details, consult the VulnCheck SQL Injection Advisory.

Workarounds

• Deploy a Web Application Firewall configured to block SQL injection attempts on all XooGallery endpoints
• Implement input validation at the application or reverse proxy level to ensure photo_id only accepts numeric values
• Restrict network access to the XooGallery application using firewall rules or VPN requirements
• Place the application behind an authentication layer to prevent anonymous access to vulnerable endpoints
• Consider migrating to an actively maintained gallery application with proper security controls