CVE-2020-13893: Sage Easypay

Medium severity, CVSS 5.4. EPSS: 0.5% chance of exploitation in the next 30 days.

Multiple stored cross-site scripting (XSS) vulnerabilities in Sage EasyPay 10.7.5.10 allow authenticated attackers to inject arbitrary web script or HTML via multiple parameters through Unicode Transformations (Best-fit Mapping), as demonstrated by the full-width variants of the less-than sign (%EF%BC%9C) and greater-than sign (%EF%BC%9E).

Affected products

• Sage Easypay: version 10.7.5.10 only

Published 2020-10-18. Last modified 2026-06-17.