Reflected Cross-Site Scripting (XSS) in Sanoma’s Clickedu
Clickedu, versions prior to 5.1.
INCIBE has coordinated the disclosure of a medium-severity vulnerability affecting Sanoma’s Cilckedu, a school management platform. The vulnerability was discovered by Gonzalo Aguilar García (6h4ack).
This vulnerability has been assigned the following identifier, CVSS v4.0 base score, CVSS vector and CWE vulnerability type:
- CVE-2026-5010: CVSS v4.0: 5.1 | CVSS AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N | CWE-79
The vulnerability has been fixed by the Sanoma team in version 5.1.
CVE-2026-5010: 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/<XSS>”. This vulnerability can be exploited to steal sensitive user data, such as session cookies, or to perform actions on the user’s behalf.
| Identificador CVE | Severidad | Explotación | Fabricante |
|---|---|---|---|
| CVE-2026-5010 | Media | No | Sanoma |



