hook.c in BitchX 1.1-final allows remote IRC servers to execute arbitrary commands by sending a client certain data containing NICK and EXEC strings, which exceeds the bounds of a hash table, and injects an EXEC hook function that receives and executes shell commands.

Multiple PHP remote file inclusion vulnerabilities in SerWeb 0.9.6 and earlier allow remote attackers to execute arbitrary PHP code via a URL in the _SERWEB[serwebdir] parameter to (1) html/load_apu.php or (2) html/mail_prepend.php. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.

PHP remote file inclusion vulnerability in html/load_lang.php in SerWeb 0.9.6 and earlier allows remote attackers to execute arbitrary PHP code via a URL in the _SERWEB[serwebdir] parameter.

NetClassifieds Premium Edition does not use encryption for (1) stored passwords or (2) sensitive data, which might allow attackers to obtain information via certain vectors.

NetClassifieds Premium Edition allows remote attackers to obtain sensitive information via certain requests that reveal the path in an error message, related to the display_errors setting in (1) Common.php and (2) imageresizer.php, and (3) the use of __FILE__ in error reporting by imageresizer.php; and (4) via certain requests that reveal the table name and complete query, related to the Halt_On_Error setting in Mysql_db.php.

Multiple cross-site scripting (XSS) vulnerabilities in NetClassifieds Premium Edition allow remote attackers to inject arbitrary web script or HTML via unspecified vectors.