CVE-2021-30113: Web-School Enterprise Resource Planning

Medium severity, CVSS 6.1. EPSS: 0.9% chance of exploitation in the next 30 days.

A blind XSS vulnerability exists in Web-School ERP V 5.0 via (Add Events) in event name and description fields. An attacker can inject a JavaScript code that will be stored in the page. If any visitor sees the event, then the payload will be executed and sends the victim's information to the attacker website.

Affected products

• Web-School Enterprise Resource Planning: version 5.0 only

Published 2021-04-08. Last modified 2026-06-17.