CVE-2018-13439: Tencent Wechat Pay

High severity, CVSS 7.5. EPSS: 1.9% chance of exploitation in the next 30 days.

WXPayUtil in WeChat Pay Java SDK allows XXE attacks involving a merchant notification URL.

Affected products

• Tencent Wechat Pay: affected versions not specified

Published 2018-07-08. Last modified 2026-06-17.