CVE-2026-52606 in Reportico
Summary
by MITRE • 08/18/2026
A reflected cross-site scripting (XSS) vulnerability in reportico-web <= 8.1.0 allows remote attackers to execute arbitrary JavaScript in the web browser of a user by including a malicious payload in the loadTemplate parameter in conjunction with the execute_mode=PREPARE parameter of run.php.
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Analysis
by VulDB Data Team • 08/18/2026
The identified security flaw resides within Reportico, specifically affecting versions up to 8.1.0, and manifests as a reflected cross-site scripting vulnerability. This type of vulnerability occurs when an application includes unvalidated or unsanitized user-supplied data in its immediate output without proper encoding. In this specific instance, the vulnerability is triggered through the run.php script via two distinct parameters: loadTemplate and execute_mode. The attacker constructs a malicious URL where the loadTemplate parameter contains JavaScript code intended for execution, while simultaneously setting the execute_mode parameter to PREPARE. This combination allows the injected payload to be reflected back into the web page served by the application, thereby bypassing standard security controls that might otherwise filter or escape dangerous content in other contexts.
From a technical perspective, the core issue is the failure of the server-side code to properly sanitize input before rendering it within an HTML context. When the execute_mode is set to PREPARE, the system likely processes the loadTemplate parameter in a manner that directly embeds its value into the resulting page structure without adequate escaping mechanisms such as HTML entity encoding or output filtering. This allows arbitrary JavaScript commands to be injected into the DOM of the victim's browser session. Because this is a reflected XSS attack, the malicious script does not persist on the server but rather executes immediately upon the user visiting the crafted link. The attacker typically needs to trick the target into clicking a specially constructed URL or submitting a form that points to this vulnerable endpoint for the exploit to succeed.
The operational impact of this vulnerability is significant, primarily revolving around session hijacking and credential theft. An adversary can leverage the executed JavaScript to steal sensitive information such as authentication cookies, session tokens, or personally identifiable data stored in local storage if accessible by the script context. Furthermore, the attacker could perform actions on behalf of the victim, effectively impersonating them within the application. This might include modifying settings, executing unauthorized queries against connected databases through the Reportico interface, or redirecting the user to phishing sites designed to capture further credentials. The trust relationship between the browser and the server is exploited because the malicious script originates from a domain that the user trusts, allowing it to bypass same-origin policy restrictions.
This vulnerability aligns with Common Weakness Enumeration (CWE) category CWE-79, which describes Improper Neutralization of Input During Web Page Generation commonly known as Cross-site Scripting. Specifically, it falls under reflected XSS where the payload is not stored but executed immediately in response to a request. In terms of offensive security frameworks, this activity maps to MITRE ATT&CK technique T1059, Command and Scripting Interpreter, specifically JavaScript execution within a browser environment. It also relates to data exfiltration techniques as described under T1005, Data from Local System Retrieval, if the script is designed to send stolen cookies or session tokens back to an external server controlled by the attacker.
Mitigation strategies must focus on both immediate remediation and long-term defensive posture improvements. The most effective solution is for vendors to release a patched version of Reportico that addresses this input validation flaw. For administrators unable to upgrade immediately, implementing strict output encoding using libraries such as OWASP Java Encoder or equivalent frameworks in other languages can prevent the browser from interpreting injected strings as executable code. Additionally, deploying Web Application Firewalls (WAFs) with rules tuned to detect and block common XSS payloads in URL parameters can provide a layer of defense-in-depth. Enabling Content Security Policy headers that restrict script execution sources further limits the impact if an injection attempt succeeds by preventing inline scripts from running unless explicitly whitelisted. Regular security audits and static code analysis tools should be employed during development cycles to identify similar input handling deficiencies before they reach production environments.