Directory traversal vulnerability in the wp_ajax_update_plugin function in wp-admin/includes/ajax-actions.php in WordPress 4.5.3 allows remote authenticated users to cause a denial of service or read certain text files via a .. (dot dot) in the plugin parameter to wp-admin/admin-ajax.php, as demonstrated by /dev/random read operations that deplete the entropy pool.
CVSS Details
- CVSS 3.0 Base Score: 7.1
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade wordpress | Jul 30, 2024 | Jan 18, 2017 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | Jan 18, 2017 |
| Wordpress | — | Upgrade Wordpress to version 4.5.3 | May 16, 2017 | Jan 18, 2017 |
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