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phpBB template file code execution
From: noch22 () gmail com
Date: 14 Apr 2006 14:51:05 -0000

phpBB HTML template files are parsed and executed as PHP code.

This files are not well filtered so a user having access to template files can execute PHP code. You can't trust your 
designer or template files you found around the web

Example:
Replace ALL switch_enable_pm_popup in overall_header.tpl
By: switch_enable_pm_popup;global $board_config;var_dump($board_config);exit;?>

The part after the first ";" will be executed as PHP code.

bbcode.tpl is parsed in a different way, and any code you place outter of <!-- --> will be executed as PHP code.

Possible solution:
Use ([0-9a-z_\.-]+) pattern rather than (.*) in includes/template.php to match BEGIN and END statements.

For bbcode.tpl, change method to parse the template in includes/bbcode.php, do not eval the template.


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