Executive Summary

CVE-2025-65270 is a reflected cross-site scripting (XSS) vulnerability in ClinCapture EDC versions 3.0 and 2.2.3. It allows an unauthenticated remote attacker to inject and execute arbitrary JavaScript code in the victim's browser by exploiting improper handling of user input that is reflected back without proper sanitization or encoding. [1]

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Impact Analysis

Exploiting this vulnerability could allow attackers to perform malicious actions such as hijacking user sessions, defacing the website, or redirecting users to malicious sites, potentially compromising user data and trust. [1]

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Detection Guidance

This vulnerability can be detected by testing the ClinCapture EDC web application for reflected XSS by injecting JavaScript payloads into input fields or URL parameters and observing if the script executes in the browser. Specific commands or tools are not provided in the resources, but common methods include using web vulnerability scanners or manual testing with payloads such as <script>alert(1)</script> in HTTP requests to see if the input is reflected unsanitized. [1]

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Mitigation Strategies

Immediate mitigation steps include applying proper input validation and output encoding to ensure user-supplied input is sanitized before being reflected in responses. Additionally, updating ClinCapture EDC to a version that patches this vulnerability (if available) or implementing web application firewalls (WAF) to block malicious payloads can help reduce risk. [1]

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