CVE-2006-5132 in phpMyAgenda
Summary
by MITRE
Multiple PHP remote file inclusion vulnerabilities in phpMyAgenda 3.0 Final and earlier allow remote attackers to execute arbitrary PHP code via a URL in the rootagenda parameter to (1) agendaplace.php3, (2) agendaplace2.php3, (3) infoevent.php3, and (4) agenda2.php3, different vectors than CVE-2006-2009.
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Analysis
by VulDB Data Team • 04/23/2026
The vulnerability described in CVE-2006-5132 represents a critical remote file inclusion flaw affecting phpMyAgenda version 3.0 Final and earlier installations. This vulnerability specifically targets four distinct PHP files within the application's codebase including agendaplace.php3, agendaplace2.php3, infoevent.php3, and agenda2.php3, all of which accept a rootagenda parameter that can be exploited by malicious actors to inject and execute arbitrary PHP code on the target server. The flaw stems from improper input validation and sanitization mechanisms that fail to properly filter user-supplied URL parameters before incorporating them into the application's execution flow, creating an attack surface that allows remote code execution without authentication requirements.
The technical implementation of this vulnerability aligns with CWE-88, which describes improper neutralization of special elements used in an expression, specifically in the context of remote file inclusion attacks. Attackers can leverage this weakness by crafting malicious URLs containing PHP code within the rootagenda parameter, which gets executed when the vulnerable scripts process these inputs. The attack vectors differ from CVE-2006-2009, indicating that while both vulnerabilities involve remote file inclusion, they manifest through different code paths and potentially different exploitation techniques. This particular vulnerability operates under the broader ATT&CK framework category of T1190 - Exploit Public-Facing Application, where attackers target web applications to gain initial access and establish persistent control over affected systems.
The operational impact of this vulnerability extends beyond simple code execution, as successful exploitation enables attackers to gain full control over the affected web server. This includes the ability to read sensitive files, modify database contents, install backdoors, and potentially escalate privileges to gain administrative access to the entire server infrastructure. The vulnerability affects systems running vulnerable versions of phpMyAgenda, making it particularly dangerous for organizations that have not updated their applications or implemented proper security controls. Organizations using this software are at risk of data breaches, service disruption, and potential compromise of their entire web infrastructure, as the vulnerability allows for complete server takeover without requiring any authentication credentials.
Mitigation strategies for this vulnerability should include immediate patching of the phpMyAgenda application to version 3.1 or later, which contains fixes for this specific issue. Additionally, administrators should implement input validation and sanitization measures at the application level, particularly around parameters that accept URL inputs. Web application firewalls and security monitoring systems should be configured to detect and block suspicious URL patterns that attempt to exploit this vulnerability. The principle of least privilege should be enforced by restricting file inclusion capabilities and ensuring that the application runs with minimal required permissions. Organizations should also conduct regular security assessments and vulnerability scanning to identify similar weaknesses in other applications, as this vulnerability demonstrates the importance of proper input validation and secure coding practices. The remediation process should include comprehensive testing to ensure that the patch does not introduce any regression issues while maintaining the application's core functionality and user experience.