CVE-2025-9219
Post SMTP <= 3.4.1 - Missing Authorization to Authenticated (Subscriber+) Limited Plugin Option Update
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
The Post SMTP – WP SMTP Plugin with Email Logs and Mobile App for Failure Notifications – Gmail SMTP, Office 365, Brevo, Mailgun, Amazon SES and more plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'update_post_smtp_pro_option_callback' function in all versions up to, and including, 3.4.1. This makes it possible for authenticated attackers, with Subscriber-level access and above, to enable pro extensions.
| CWE | CWE-862 |
| Vendor | saadiqbal |
| Product | post smtp – complete email deliverability and smtp solution with email logs, alerts, backup smtp & mobile app |
| Published | Sep 3, 2025 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
saadiqbal / Post SMTP – Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App
0 ≤ 3.4.1
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/65914bbf-6563-4bf2-a358-885e182a1365?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/post-smtp/trunk/Postman/Wizard/NewWizard.php#L1858 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3353624/
Credits
Matteo Leonelli David Dewes