CVE-2026-30865 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 dashboard save functionality. This issue has been fixed in version 3.2.3.
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Analysis
by VulDB Data Team • 08/22/2026
The vulnerability identified within Combodo iTop prior to version 3.2.3 represents a classic instance of reflected cross-site scripting, specifically targeting the dashboard save functionality. As an IT service management platform built on web technologies, iTop relies heavily on dynamic user interfaces where data entered by administrators and technicians is processed and rendered back into the browser context. The flaw resides in how the application handles input parameters associated with saving customizations or configurations to a user's personal dashboard layout. When a malicious actor crafts a specially constructed URL containing executable JavaScript payloads within these parameters, the server processes the request without adequate sanitization or validation of the embedded script code. Upon receiving this malformed data, the web application reflects it directly back into the HTML response intended for the victim user’s browser session. This lack of proper output encoding allows the injected scripts to execute in the context of the authenticated user's session, bypassing same-origin policy protections that typically isolate malicious content from sensitive site operations.
From a technical perspective, this vulnerability is categorized under CWE-79, which defines Improper Neutralization of Input During Web Page Generation known as Cross-site Scripting. The specific nature of this flaw aligns with the reflected variant where the attack payload is sent via HTTP requests and immediately returned by the web application without being stored in a database or persistent storage mechanism. This distinguishes it from stored XSS, although both share similar potential for harm depending on the context. In the ATT&CK framework, this behavior maps to techniques involving client-side injection, specifically T1059 which covers command and script interpretation through browser-based execution. The attacker does not need direct access to the server but instead leverages social engineering or phishing vectors to trick a legitimate user into clicking a malicious link. Once clicked, the victim's browser interprets the reflected payload as trusted content from the iTop application domain, granting the attacker the ability to execute arbitrary JavaScript code with the privileges of that authenticated session.
The operational impact of this vulnerability is significant for organizations relying on Combodo iTop for critical IT service management workflows. An successful exploitation allows an adversary to steal sensitive information such as session cookies, authentication tokens, or personally identifiable information displayed within the dashboard interface. Furthermore, the attacker can perform actions on behalf of the victim user without their knowledge or consent. This could include modifying configuration settings, creating new tickets with malicious intent, accessing restricted reports, or redirecting the user to phishing sites designed to harvest additional credentials. Because iTop often serves as a central hub for IT operations, compromising an administrator account through this vector can lead to broader system compromise, including potential lateral movement within the internal network if other services are linked via single sign-on mechanisms. The ability to manipulate the dashboard UI also allows attackers to deface the interface or disrupt normal operational workflows by injecting misleading information into critical monitoring panels.
Mitigation strategies for this vulnerability primarily involve upgrading the Combodo iTop installation to version 3.2.3 or later, where the developers have implemented proper input validation and output encoding mechanisms to neutralize script execution in reflected contexts. For organizations unable to immediately patch due to operational constraints, temporary mitigations include implementing strict Content Security Policy headers that restrict inline script execution and block unauthorized external resource loading. Additionally, deploying web application firewalls with rules specifically tuned to detect common XSS payloads in URL parameters can provide an additional layer of defense by blocking malicious requests before they reach the application logic. Regular security audits focusing on input handling across all user-facing endpoints are recommended to identify similar flaws in other modules beyond just the dashboard save functionality. Ensuring that users are educated about phishing risks and verifying link sources remains a crucial human-layer control against exploitation attempts targeting this specific reflection vector.