CVE-2023-31664: WSO2 API Manager

Medium severity, CVSS 6.1. EPSS: 1.2% chance of exploitation in the next 30 days.

A reflected cross-site scripting (XSS) vulnerability in /authenticationendpoint/login.do of WSO2 API Manager before 4.2.0 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the tenantDomain parameter.

Affected products

• WSO2 API Manager: before 4.2.0 (fixed in 4.2.0)

Published 2023-05-23. Last modified 2026-06-17.