CVE-2026-30826 in iTop
Summary
by MITRE • 08/22/2026
Combodo iTop is a web based IT service management tool. Prior to 3.2.3, there is a Reflected Cross-Site Scripting (XSS) vulnerability in the testing OQL query functionality. This issue has been fixed in version 3.2.3.
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Analysis
by VulDB Data Team • 08/22/2026
Combodo iTop serves as a comprehensive web-based IT service management platform designed to streamline incident, problem, and change management processes for enterprise environments. The software provides extensive reporting capabilities through its Object Query Language (OQL) interface, allowing administrators and users to generate custom reports by querying the underlying database directly via the web application. This functionality is critical for operational visibility but requires careful handling of user-supplied input due to its direct interaction with data retrieval mechanisms.
A reflected cross-site scripting vulnerability was identified within the testing OQL query feature in versions prior to 3.2.3. The technical flaw stems from insufficient sanitization or encoding of user-controlled parameters passed through the web interface before they are processed and rendered back into the HTML response. When an attacker crafts a malicious payload containing executable JavaScript code and submits it via the OQL testing endpoint, the application reflects this input directly in the HTTP response without adequate validation. This allows the script to execute within the context of the victim's browser session whenever the resulting page is loaded.
The operational impact of this vulnerability centers on the potential for unauthorized actions performed under the guise of an authenticated user. An attacker can exploit this flaw by crafting a deceptive link or embedding the malicious payload in a phishing email, tricking a target into clicking it while logged into iTop. Upon execution, the script can steal session cookies, capture sensitive data displayed within the application such as configuration details or incident records, or perform state-changing actions like modifying user profiles if those privileges are available to the victim. This represents a significant risk in environments where iTop holds privileged administrative access or contains confidential IT infrastructure metadata.
This vulnerability aligns with CWE-79, which classifies Improper Neutralization of Input During Web Page Generation as Common Weakness Enumeration identifier 79, commonly known as Cross-Site Scripting (XSS). From a tactical perspective, the exploitation method corresponds to ATT&CK technique T1059.007, specifically Command and Scripting Interpreter: JavaScript, which adversaries use to execute arbitrary code within browser contexts for credential harvesting or lateral movement preparation. The reflected nature of the XSS indicates that no persistent storage is required on the server side, making it a client-side attack vector dependent on social engineering or link manipulation.
Mitigation strategies primarily involve upgrading to version 3.2.3 or later, where Combodo has implemented fixes for this input validation deficiency. In addition to patching, organizations should enforce strict Content Security Policy headers that restrict the execution of inline scripts and limit sources from which JavaScript can be loaded. Input validation on both client and server sides is essential, ensuring that special characters are properly encoded before being rendered in HTML contexts. Furthermore, implementing HTTP-only flags for session cookies reduces the risk of cookie theft via XSS, thereby limiting the potential damage even if an injection occurs. Regular security assessments and code reviews focusing on dynamic content generation can help prevent similar vulnerabilities from emerging in future releases.