CVE-2010-2127 in JV2 Folder Gallery
Summary
by MITRE
PHP remote file inclusion vulnerability in gallery.php in JV2 Folder Gallery 3.1 allows remote attackers to execute arbitrary PHP code via a URL in the lang_file parameter.
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Analysis
by VulDB Data Team • 09/14/2025
The vulnerability identified as CVE-2010-2127 represents a critical remote file inclusion flaw in the JV2 Folder Gallery 3.1 web application, specifically within the gallery.php script. This issue falls under the category of insecure direct object references and improper input validation, as outlined in CWE-22 and CWE-94. The vulnerability arises from the application's failure to properly sanitize user-supplied input parameters, particularly the lang_file parameter that is processed without adequate validation or sanitization measures. Attackers can exploit this weakness by crafting malicious URLs and injecting them into the lang_file parameter, thereby enabling arbitrary code execution on the vulnerable system.
The technical exploitation of this vulnerability occurs through the manipulation of the lang_file parameter in the gallery.php script, which directly incorporates user-provided input into the application's execution flow. When the application processes this parameter, it fails to validate or sanitize the input, allowing attackers to specify remote URLs that point to malicious PHP scripts. This creates a pathway for remote code execution, as the application will attempt to include and execute the content from the attacker-controlled remote location. The vulnerability demonstrates a classic path traversal and remote code execution pattern that has been widely documented in web application security contexts.
From an operational impact perspective, this vulnerability poses significant risks to systems running the affected JV2 Folder Gallery version. Successful exploitation can result in complete system compromise, allowing attackers to execute arbitrary commands, access sensitive data, and potentially establish persistent backdoors. The remote nature of the attack means that exploitation can occur from anywhere on the internet without requiring local access or authentication. Organizations using this gallery software face potential data breaches, system infiltration, and unauthorized access to server resources. The vulnerability also increases the attack surface for broader network compromise, as compromised systems can serve as launching points for further attacks within the network infrastructure.
Mitigation strategies for CVE-2010-2127 should focus on immediate patching of the affected software to the latest secure version provided by the vendor. System administrators should implement input validation and sanitization measures to prevent unauthorized file inclusion operations, including the use of allowlists for acceptable file parameters and proper URL validation. Network segmentation and firewall rules can help limit access to vulnerable applications, while web application firewalls may provide additional protection layers. The vulnerability aligns with tactics described in the attack pattern taxonomy, particularly those involving code injection and remote execution techniques. Regular security assessments and vulnerability scanning should be conducted to identify similar weaknesses in other applications and systems, ensuring comprehensive protection against similar remote file inclusion threats. Organizations should also implement proper security monitoring and incident response procedures to detect and respond to potential exploitation attempts.