CVE-2020-13893 Information

Description

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 (EFBC9C) and greater-than sign (EFBC9E).

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Reference

https://gist.github.com/picar0jsu/4532a6d15e8f8d7597b7dca5136ad655 https://www.sage.com/en-sg/products/sage-easypay/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

5.4