The SMTP by BestWebSoft plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'save_options' function in all versions up to, and including, 1.1.9. This makes it possible for authenticated attackers, with Administrator-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Bws Smtp Plugin | — | Update bws-smtp plugin to version 1.2.0, or a newer patched version | May 15, 2025 | Mar 7, 2025 |
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