CVE-2023-6621 Information

Description

The POST SMTP WordPress plugin before 2.8.7 does not sanitise and escape the msg parameter before outputting it back in the page leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin.

Reference

https://wpscan.com/vulnerability/b49ca336-5bc2-4d72-a9a5-b8c020057928