calendar_scheduler.php in Topic Calendar 1.0.1 module for phpBB, when running on a Microsoft IIS server, allows remote attackers to obtain sensitive information via invalid parameters, which reveal the path in an error message.
admin/admin_disallow.php in phpBB 2.0.18 allows remote attackers to obtain the installation path via a direct request with a non-empty setmodules parameter, which causes an invalid append_sid function call that leaks the path in an error message.
phpBB 2.0.18 allows remote attackers to obtain sensitive information via a large SQL query, which generates an error message that reveals SQL syntax or the full installation path.
auction_my_auctions.php in phpbb-Auction 1.2m and earlier allows remote attackers to obtain sensitive information via an invalid mode parameter, which leaks the full path in a PHP error message.
phpBB 2.0.13 and earlier allows remote attackers to obtain sensitive information via a direct request to oracle.php, which reveals the path in a PHP error message.
viewtopic.php in phpBB 2.0.12 and earlier allows remote attackers to obtain sensitive information via a highlight parameter containing invalid regular expression syntax, which reveals the path in a PHP error message.
PhpBB 2.0.8 allows remote attackers to gain sensitive information via an invalid (1) category_rows parameter to index.php, (2) faq parameter to faq.php, or (3) ranksrow parameter to profile.php, which reveal the full path in an error message.