{"uuid": "3bfaf6f6-a85e-44cb-a979-c91e694f9676", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2023-6553", "type": "seen", "source": "https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/wp_backup_migration_php_filter.rb", "content": "{\"aliases\": [], \"arch\": \"php, cmd\", \"author\": [\"Nex Team\", \"Valentin Lobstein\", \"jheysel-r7\"], \"autofilter_ports\": [80, 8080, 443, 8000, 8888, 8880, 8008, 3000, 8443], \"autofilter_services\": [\"http\", \"https\"], \"check\": true, \"default_credential\": false, \"description\": \"This module exploits an unauth RCE in the WordPress plugin: Backup Migration (<= 1.3.7).  The vulnerability is\\n          exploitable through the Content-Dir header which is sent to the /wp-content/plugins/backup-backup/includes/backup-heart.php endpoint.\\n\\n          The exploit makes use of a neat technique called PHP Filter Chaining which allows an attacker to prepend\\n          bytes to a string by continuously chaining character encoding conversions. This allows an attacker to prepend\\n          a PHP payload to a string which gets evaluated by a require statement, which results in command execution.\", \"disclosure_date\": \"2023-12-11\", \"fullname\": \"exploit/multi/http/wp_backup_migration_php_filter\", \"is_install_path\": true, \"mod_time\": \"2026-04-22 11:58:04 +0000\", \"name\": \"WordPress Backup Migration Plugin PHP Filter Chain RCE\", \"needs_cleanup\": null, \"notes\": {\"Reliability\": [\"repeatable-session\"], \"SideEffects\": [\"ioc-in-logs\", \"artifacts-on-disk\"], \"Stability\": [\"crash-safe\"]}, \"path\": \"/modules/exploits/multi/http/wp_backup_migration_php_filter.rb\", \"platform\": \"Linux,PHP,Unix,Windows\", \"post_auth\": false, \"rank\": 600, \"ref_name\": \"multi/http/wp_backup_migration_php_filter\", \"references\": [\"CVE-2023-6553\", \"URL-https://github.com/Chocapikk/CVE-2023-6553/blob/main/exploit.py\", \"URL-https://www.synacktiv.com/en/publications/php-filters-chain-what-is-it-and-how-to-use-it\", \"WPVDB-6a4d0af9-e1cd-4a69-a56c-3c009e207eca\"], \"rport\": 80, \"session_types\": false, \"targets\": [\"PHP In-Memory\", \"Unix/Linux Command Shell\", \"Windows Command Shell\"], \"type\": \"exploit\"}", "creation_timestamp": "2026-09-08T06:50:20.757586Z"}