CVE-2010-4865 in Com Jeguestbook
Summary
by MITRE
SQL injection vulnerability in the JE Guestbook (com_jeguestbook) component 1.0 for Joomla! allows remote attackers to execute arbitrary SQL commands via the d_itemid parameter in an item_detail action to index.php.
Be aware that VulDB is the high quality source for vulnerability data.
Analysis
by VulDB Data Team • 08/02/2025
The CVE-2010-4865 vulnerability represents a critical SQL injection flaw within the JE Guestbook component version 1.0 for Joomla! platforms, exposing systems to remote code execution risks. This vulnerability specifically affects the component's handling of user input through the d_itemid parameter in the item_detail action of the index.php file. The flaw allows malicious actors to inject arbitrary SQL commands directly into the database query execution flow, bypassing normal authentication and authorization mechanisms that protect sensitive system resources.
The technical implementation of this vulnerability stems from insufficient input validation and sanitization within the Joomla! component's backend processing logic. When the d_itemid parameter is passed through the item_detail action, the application fails to properly escape or validate the input before incorporating it into SQL query construction. This lack of proper parameter sanitization creates an exploitable condition where attackers can manipulate the SQL query structure by injecting malicious SQL fragments. The vulnerability operates at the database layer, allowing attackers to execute commands that can retrieve, modify, or delete sensitive data from the underlying database system. According to CWE classification, this corresponds to CWE-89 SQL Injection, which is categorized under the broader weakness of insufficient input validation and inadequate output encoding. The vulnerability's exploitation aligns with ATT&CK technique T1071.004 Application Layer Protocol: DNS, as attackers often leverage SQL injection to establish persistent access and exfiltrate data from compromised systems.
The operational impact of CVE-2010-4865 extends beyond simple data theft, as successful exploitation can lead to complete system compromise and unauthorized administrative access. Attackers can leverage this vulnerability to escalate privileges, modify guestbook entries, extract user credentials, and potentially gain access to other system components within the Joomla that utilize the vulnerable JE Guestbook component, making it particularly dangerous given the widespread adoption of Joomla
installations face significant risk of data breaches, service disruption, and potential regulatory compliance violations, especially in environments where sensitive user information is stored within the guestbook component.
Mitigation strategies for CVE-2010-4865 should prioritize immediate patching and remediation efforts, as the vulnerability has been identified and documented for over a decade. The most effective immediate solution involves upgrading to the latest version of the JE Guestbook component or removing the vulnerable component entirely from Joomla! installations. System administrators should implement input validation controls at multiple layers, including web application firewalls, database query parameterization, and proper input sanitization routines. Additionally, organizations should conduct comprehensive vulnerability assessments to identify all instances of the vulnerable component across their network infrastructure. The implementation of principle of least privilege access controls and regular database audit procedures can help detect unauthorized access attempts and limit the potential damage from successful exploitation attempts. Security monitoring should include detection of unusual database query patterns and unauthorized data access activities that may indicate exploitation of similar SQL injection vulnerabilities. Regular security updates and patch management processes should be enforced to prevent similar vulnerabilities from being introduced through outdated or unpatched third-party components within CMS environments.