CVE-2011-5105 in ADSelfService Plus
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in EmployeeSearch.cc in ZOHO ManageEngine ADSelfService Plus 4.5 Build 4521 allow remote attackers to inject arbitrary web script or HTML via the (1) searchType and (2) searchString parameters, a different vulnerability than CVE-2010-3274.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Analysis
by VulDB Data Team • 02/10/2025
The vulnerability identified as CVE-2011-5105 represents a critical cross-site scripting flaw discovered in ZOHO ManageEngine ADSelfService Plus version 4.5 Build 4521. This vulnerability specifically affects the EmployeeSearch.cc component within the application's web interface, exposing users to potential malicious script injection attacks. The flaw manifests through two distinct parameter injection points: searchType and searchString, which are processed without adequate input validation or output encoding mechanisms. Security researchers have noted this vulnerability as separate from CVE-2010-3274, indicating it represents a unique attack vector within the same software ecosystem. The vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is classified as a fundamental web application security weakness that allows attackers to execute malicious scripts in the context of other users' browsers.
The technical implementation of this vulnerability stems from insufficient sanitization of user-supplied input parameters within the EmployeeSearch.cc module. When attackers submit malicious payloads through the searchType and searchString parameters, the application fails to properly validate or encode these inputs before incorporating them into dynamic web content. This processing gap creates an environment where attacker-controlled scripts can be executed within the browser context of legitimate users who interact with the affected application. The vulnerability is particularly concerning because it operates at the application layer where user interactions are processed, making it accessible to remote attackers without requiring local system access or privileged credentials. The attack surface is broadened by the fact that these parameters are likely used in search functionality that could be accessed by various user roles within the organization.
The operational impact of CVE-2011-5105 extends beyond simple script execution, as it can enable sophisticated attack chains that compromise user sessions and potentially escalate to full system compromise. An attacker could craft malicious search queries that, when executed by a victim user, would steal session cookies, redirect users to phishing sites, or inject malicious content that persists within the application. This vulnerability particularly threatens organizations using ZOHO ManageEngine ADSelfService Plus for employee self-service operations, where users frequently interact with the search functionality to locate personnel information. The attack could result in unauthorized access to sensitive employee data, session hijacking, or the establishment of persistent backdoors within the organization's user management infrastructure. Given that the vulnerability affects core search functionality, its exploitation could impact multiple users simultaneously, amplifying the potential damage.
Organizations affected by CVE-2011-5105 should implement immediate mitigations including input validation and output encoding controls for all user-supplied parameters. The most effective remediation involves implementing proper HTML escaping and sanitization routines for all dynamic content generation, particularly around the searchType and searchString parameters. Security teams should also consider implementing content security policies to limit script execution capabilities within the application context. Additionally, the vulnerability demonstrates the importance of regular security assessments and input validation reviews, as similar issues have been documented in other web applications under the ATT&CK framework's T1059.001 technique for command and scripting interpreter. Organizations should also consider implementing web application firewalls to detect and block malicious payloads targeting these specific parameter injection points, while ensuring that all user inputs are properly validated against whitelisted character sets before processing. The remediation process should include comprehensive testing to verify that the input sanitization mechanisms effectively prevent XSS exploitation while maintaining application functionality.