CVE-2021-30111: Web-School Enterprise Resource Planning

Medium severity, CVSS 5.4. EPSS: 0.7% chance of exploitation in the next 30 days.

A stored XSS vulnerability exists in Web-School ERP V 5.0 via (Add Events) in the event name and description fields. An attack can inject a JavaScript code that will be stored in the page. If any visitor sees the events, then the payload will be executed.

Affected products

• Web-School Enterprise Resource Planning: version 5.0 only

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