cleantalk
Vulnerabilities and Security Researches

GoSMTP – SMTP for WordPress, PSC-2026-64610

PSC, Research URL

PSC-2026-64610

Published on
Feb 17, 2026
Research Description
Email delivery is business critical, but email sending plugins also sit on a sensitive boundary where they handle SMTP credentials, API keys, admin side settings, and in some cases email logs that can contain personal data. GoSMTP version 1.1.8 has successfully completed the CleanTalk Plugin Security Certification program and received PSC-2026-64610, confirming that the plugin was assessed with a strong focus on secure coding practices and common real world WordPress attack paths.
Affected versions
Min 1.1.8, max 1.1.8.
Status
SAFE & CERTIFIED