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The WordPress Vulnerability Index
Post SMTP <= 3.4.1 - Missing Authorization to Authenticated (Subscriber+) Limited Plugin Option Update
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- Post SMTP <= 3.4.1 - Missing Authorization to Authenticated (Subscriber+) Limited Plugin Option Update
| CVE | CVE-2025-9219 |
|---|---|
| CVSS | 4.3 (Medium) |
| Publicly Published | Sep 02, 2025 |
| Last Updated | Sep 03, 2025 |
| Researchers | Matteo Leonelli David D. |
Description
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.
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Vulnerability Details
| Software Type | plugin |
| Software Slug | post-smtp (view on wordpress.org) |
| Patched | Yes |
| Remediation | Update to version 3.4.2, or a newer patched version |
| Affected Versions |
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| Patched Versions |
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