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_editor_std.php, (26) post/class_post.php, (27) post/class_post_edit.php, (28) post/class_post_new.php, (29) and post/class_post_reply.php in the sources/classes directory; (30) sources/components_acp/registration_DEPR.php; (31) sources/handlers/han_paysubscriptions.php; (32) func_usercp.php; (33) search_mysql_ftext.php, and (34) search_mysql_man.php in the sources/lib/ directory; and (35) convert/auth.php.bak, (36) external/auth.php, and (37) ldap/auth.php in the sources/loginauth directory.