The Classified Listing – AI-Powered Classified ads & Business Directory Plugin plugin for WordPress is vulnerable to unauthorized access in all versions up to, and including, 5.3.10. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to add arbitrary notes to any order and trigger unsolicited notification and moderation emails to listing owners without administrative authorization.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Classified Listing Plugin | — | Update classified-listing plugin to version 5.4.0, or a newer patched version | May 21, 2026 | May 14, 2026 |
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