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Vulnerabilities and Security Researches

POST SMTP – The #1 WordPress SMTP Plugin with Advanced Email Logging and Delivery Failure Notifications, CVE-2023-6621

CVE, Research URL

CVE-2023-6621

Published on
Jan 03, 2024
Research 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.
Affected versions
Min -, max 2.8.7.
Status
vulnerable