CVE-2026-5010: Sanoma Clickedu

Medium severity, CVSS 5.1. EPSS: 0.4% chance of exploitation in the next 30 days.

A reflected Cross-Site Scripting (XSS) vulnerability has been discovered in Clickedu. This vulnerability allows an attacker to execute JavaScript code in the victim’s browser by sending them a malicious URL using the endpoint “/user.php/”. This vulnerability can be exploited to steal sensitive user data, such as session cookies, or to perform actions on the user’s behalf.

Affected products

• Sanoma Clickedu: before 5.1 (fixed in 5.1)

Published 2026-03-27. Last modified 2026-06-17.