The stop-user-enumeration plugin before 1.3.8 for WordPress has XSS.

Automated scanner template

A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.

• WordPress Stop User Enumeration <=1.3.7 - Cross-Site Scripting http/cves/2017/CVE-2017-18536.yaml

Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.