CVE-2010-1081 in Com Communitypolls
Summary
by MITRE
Directory traversal vulnerability in the Community Polls (com_communitypolls) component 1.5.2, and possibly earlier, for Core Joomla! allows remote attackers to read arbitrary files via a .. (dot dot) in the controller parameter to index.php.
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Analysis
by VulDB Data Team • 05/03/2026
The vulnerability identified as CVE-2010-1081 represents a critical directory traversal flaw within the Community Polls component for Joomla! version 1.5.2 and potentially earlier releases. This security weakness resides in the component's handling of user input through the controller parameter in the index.php file, creating an avenue for unauthorized file access that can have severe implications for affected systems. The vulnerability classifies under CWE-22, which specifically addresses improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal attacks. Such flaws typically arise when applications fail to properly validate or sanitize user-supplied input before using it in file system operations, allowing attackers to manipulate file paths and gain access to sensitive system resources.
The technical exploitation of this vulnerability occurs when a remote attacker crafts a malicious request containing directory traversal sequences such as .. (dot dot) within the controller parameter of the index.php script. This manipulation allows the attacker to bypass normal access controls and navigate to arbitrary directories on the server filesystem. The Community Polls component, designed to facilitate polling functionality within Joomla! websites, fails to adequately validate the controller parameter, enabling attackers to traverse the file system hierarchy and potentially access sensitive files including configuration files, database credentials, application source code, or other confidential data stored on the server. The vulnerability essentially allows an attacker to read files outside the intended scope of the component, potentially exposing critical system information that could be used for further exploitation or lateral movement within the compromised environment.
The operational impact of CVE-2010-1081 extends beyond simple unauthorized file access, as it can provide attackers with access to sensitive system information that may lead to more severe consequences. Attackers can potentially extract database configuration files containing usernames, passwords, and connection strings that could be used to compromise database servers or gain access to additional system resources. The vulnerability also enables attackers to read application source code files, which may reveal implementation details that could be leveraged for additional attacks or to develop more sophisticated exploitation techniques. Furthermore, this type of vulnerability can facilitate privilege escalation attacks or serve as a stepping stone for more comprehensive system compromise, particularly when combined with other vulnerabilities or reconnaissance activities. The attack surface is significant as it affects not just the specific component but potentially the entire Joomla! installation, given the widespread use of this content management system.
Mitigation strategies for CVE-2010-1081 should prioritize immediate patching of the affected Community Polls component to version 1.5.3 or later, which contains the necessary security fixes to prevent directory traversal attacks. System administrators should also implement input validation measures that sanitize all user-supplied parameters, particularly those used in file system operations, and employ proper access controls that limit the component's ability to access files outside its designated directories. The implementation of web application firewalls can provide an additional layer of protection by filtering out suspicious requests containing directory traversal sequences. Security monitoring should include the detection of unusual file access patterns or attempts to access system files through web interfaces. Organizations should also conduct comprehensive vulnerability assessments to identify other potentially affected components or applications within their Joomla! installations, as similar directory traversal vulnerabilities may exist in other parts of the application stack. The remediation process should follow established security frameworks such as those outlined in the ATT&CK framework, particularly focusing on mitigating techniques related to privilege escalation and credential access through path traversal attacks. Regular security updates and patch management processes should be implemented to prevent similar vulnerabilities from arising in the future, with particular attention to input validation and secure coding practices that align with industry standards and best practices for web application security.