CVE-2026-5010 PUBLISHED

Reflected Cross-Site Scripting (XSS) in Sanoma’s Clickedu

Assigner: INCIBE
Reserved: 27.03.2026 Published: 27.03.2026 Updated: 27.03.2026

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.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
CVSS Score: 5.1

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	Low
Attack Complexity	Low	Integrity	None	Integrity	Low
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	None
User Interaction	Active

CVSS 4.0

Product Status

Vendor	Sanoma
Product	Clickedu
Versions	Default: unaffected affected from 0 to 5.1 (excl.) Version 5.1 is unaffected

Solutions

The vulnerability has been fixed by the Sanoma team in version 5.1.

Credits

Gonzalo Aguilar García (6h4ack) finder

References

https://www.incibe.es/en/incibe-cert/notices/aviso/reflected-cross-site-scripting-xss-sanomas-clickedu-0

Problem Types

CWE-79 Improper neutralization of input during web page generation ('cross-site scripting') CWE