CVE-2023-31664

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-05-23 · updated 2026-06-17
Weakness: CWE-79

Description

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

How to fix

Upgrade to a fixed version: WSO2 API Manager 4.2.0. Check the vendor advisory for mitigations.

References

https://github.com/adilkhan7/CVE-2023-31664
https://github.com/wso2/api-manager/issues?q=is%3Aissue+is%3Aclosed+label%3AComponent%2FAPIM+closed%3A2022-04-05..2023-03-11
https://github.com/wso2/product-apim/releases/tag/v4.2.0
https://github.com/adilkhan7/CVE-2023-31664
https://github.com/wso2/api-manager/issues?q=is%3Aissue+is%3Aclosed+label%3AComponent%2FAPIM+closed%3A2022-04-05..2023-03-11
https://github.com/wso2/product-apim/releases/tag/v4.2.0

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