phpBB 2.0.21 does not properly handle pathnames ending in %00, which allows remote authenticated administrative users to upload arbitrary files, as demonstrated by a query to admin/admin_board.php with an avatar_path parameter ending in .php%00.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Freebsd | — | Upgrade phpbbUpgrade zh-phpbb-tw | Dec 10, 2025 | Oct 4, 2006 |
| Ubuntu | — | Upgrade phpbb2 | Nov 19, 2024 | Sep 13, 2006 |
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