CVE-2025-50866: Vishalmathur Cloudclassroom

Medium severity, CVSS 6.1. EPSS: 0.3% chance of exploitation in the next 30 days.

CloudClassroom-PHP-Project 1.0 contains a reflected Cross-site Scripting (XSS) vulnerability in the email parameter of the postquerypublic endpoint. Improper sanitization allows an attacker to inject arbitrary JavaScript code that executes in the context of the user s browser, potentially leading to session hijacking or phishing attacks.

Affected products

• Vishalmathur Cloudclassroom: version 1.0 only

Published 2025-07-31. Last modified 2026-06-17.