CVE-2010-3314 in EGroupware
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in login.php in EGroupware 1.4.001+.002; 1.6.001+.002 and possibly other versions before 1.6.003; and EPL 9.1 before 9.1.20100309 and 9.2 before 9.2.20100309; allows remote attackers to inject arbitrary web script or HTML via the lang parameter.
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Analysis
by VulDB Data Team • 04/19/2025
The CVE-2010-3314 vulnerability represents a critical cross-site scripting flaw discovered in EGroupware, a popular web-based groupware application that provides email, calendar, and collaboration features for organizations. This vulnerability specifically affects login.php scripts within EGroupware versions 1.4.001+.002 through 1.6.002 and EPL 9.1 versions prior to 9.1.20100309 and 9.2 versions prior to 9.2.20100309, creating a significant security risk for affected systems. The flaw allows remote attackers to execute malicious web scripts or HTML code within the context of authenticated user sessions, potentially compromising user data and system integrity.
The technical implementation of this vulnerability stems from inadequate input validation and output sanitization within the login.php script. When the application processes the lang parameter without proper sanitization, it fails to neutralize malicious input that could contain script tags or other harmful HTML content. This parameter typically handles language selection for the user interface but becomes a vector for XSS exploitation when attackers inject malicious payloads through this unvalidated input field. The vulnerability maps directly to CWE-79, which specifically addresses cross-site scripting flaws in software applications, and demonstrates how insufficient validation of user-supplied data can lead to arbitrary code execution within user browsers.
The operational impact of this vulnerability extends beyond simple data theft, as it enables attackers to perform various malicious activities through compromised user sessions. An attacker could inject scripts that steal authentication cookies, redirect users to phishing sites, or modify the application interface to display misleading information. The vulnerability particularly affects authenticated users since the attack occurs during the login process when users are most likely to be interacting with the application. This creates a significant risk for organizations using EGroupware, as successful exploitation could lead to full system compromise, unauthorized data access, and potential lateral movement within network environments where these applications are deployed. The vulnerability also aligns with ATT&CK technique T1059.007, which covers scripting through web shells and other automated means of code execution.
Mitigation strategies for CVE-2010-3314 should prioritize immediate patching of affected EGroupware installations to version 1.6.003 or later, along with EPL 9.1.20100309 and 9.2.20100309 releases. Organizations should implement proper input validation mechanisms that sanitize all user-supplied parameters, particularly those used for language selection or other dynamic content generation. Additionally, deploying web application firewalls and implementing content security policies can provide additional layers of protection against XSS attacks. Security teams should conduct comprehensive vulnerability assessments of all EGroupware installations and related applications to identify potential similar flaws. The remediation process should include thorough testing of patches to ensure they do not introduce compatibility issues with existing system configurations. Regular security monitoring and user education regarding suspicious web content are also essential components of a comprehensive defense strategy against this class of vulnerability.