Invision Power Board (IPB) 2.1.4 and earlier allows remote attackers to list directory contents via a direct request to multiple directories, including (1) sources/loginauth/convert/, (2) sources/portal_plugins/, (3) cache/skin_cache/cacheid_2/, (4) ips_kernel/PEAR/, (5) ips_kernel/PEAR/Text/, (6) ips_kernel/PEAR/Text/Diff/, (7) ips_kernel/PEAR/Text/Diff/Renderer/, (8) style_images/1/folder_rte_files/, (9) style_images/1/folder_js_skin/, (10) style_images/1/folder_rte_images/, and (11) upgrade/ and its subdirectories.

Invision Power Board (IPB) 2.1.4 and earlier allows remote attackers to view sensitive information via a direct request to multiple PHP scripts that include the full path in error messages, including (1) PEAR/Text/Diff/Renderer/inline.php, (2) PEAR/Text/Diff/Renderer/unified.php, (3) PEAR/Text/Diff3.php, (4) class_db.php, (5) class_db_mysql.php, and (6) class_xml.php in the ips_kernel/ directory; (7) mysql_admin_queries.php, (8) mysql_extra_queries.php, (9) mysql_queries.php, and (10) mysql_subsm_queries.php in the sources/sql directory; (11) sources/acp_loaders/acp_pages_components.php; (12) sources/action_admin/member.php and (13) sources/action_admin/paysubscriptions.php; (14) login.php, (15) messenger.php, (16) moderate.php, (17) paysubscriptions.php, (18) register.php, (19) search.php, (20) topics.php, (21) and usercp.php in the sources/action_public directory; (22) bbcode/class_bbcode.php, (23) bbcode/class_bbcode_legacy.php, (24) editor/class_editor_rte.php, (25) editor/class_e…

index.php in Invision Power Board (IPB) 2.0.1, with Code Confirmation disabled, allows remote attackers to cause an unspecified denial of service by registering a large number of users.