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Unrestricted file upload vulnerability in the wp_check_filetype function in wp-includes/functions.php in WordPress before 2.8.6, when a certain configuration of the mod_mime module in the Apache HTTP Server is enabled, allows remote authenticated users to execute arbitrary code by posting an attachment with a multiple-extension filename, and then accessing this attachment via a direct request to a wp-content/uploads/ pathname, as demonstrated by a .php.jpg filename.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade wordpress | Jul 30, 2024 | Nov 17, 2009 |
| Freebsd | — | Upgrade wordpressUpgrade de-wordpress | Dec 10, 2025 | Nov 14, 2009 |
| Wordpress | — | Upgrade Wordpress to version 2.8.6 | May 16, 2017 | Nov 17, 2009 |
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