Skip to main content
← All vulnerabilities
CVE-2023-6875

POST SMTP Mailer – Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress <= 2.8.7 - Authorization Bypass via type connect-app API

Published
Last modified
published
Not listed in CISA KEV
1 Metasploit module, 3 proofs of concept on GitHub, 1 Nuclei template
  • Exploitation: none
  • Automatable: yes
  • Technical impact: total

Summary

The POST SMTP Mailer – Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress plugin for WordPress is vulnerable to unauthorized access of data and modification of data due to a type juggling issue on the connect-app REST endpoint in all versions up to, and including, 2.8.7. This makes it possible for unauthenticated attackers to reset the API key used to authenticate to the mailer and view logs, including password reset emails, allowing site takeover. CVE-2023-52233 appears to be a duplicate of this issue.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: total

  3. Record last updated
  4. EPSS reached 10%

    FIRST estimates at least a 10% chance of exploitation in the next 30 days

Affected versions

  • saadiqbal Post SMTP – Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App

    through 2.8.7

References 8

wordfence.com

plugins.trac.wordpress.org

GitHub · rapid7/metasploit-framework

GitHub · projectdiscovery/nuclei-templates

GitHub · UlyssesSaicha/CVE-2023-6875

GitHub · gbrsh/CVE-2023-6875

GitHub · hatlesswizard/CVE-2023-6875