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Multiple SQL injection vulnerabilities in admin/usercheck.php in FlexPHPLink Pro 0.0.6 and 0.0.7, when magic_quotes_gpc is disabled, allow remote attackers to execute arbitrary SQL commands via (1) the checkuser parameter (aka username field), or (2) the checkpass parameter (aka password field), to admin/index.php.

Unrestricted file upload vulnerability in submitlink.php in FlexPHPLink Pro 0.0.7 allows remote attackers to execute arbitrary PHP code by uploading a file with an executable extension, then accessing it via a direct request to the renamed file in linkphoto/.

Multiple SQL injection vulnerabilities in admin/usercheck.php in FlexPHPDirectory 0.0.1, when magic_quotes_gpc is disabled, allow remote attackers to execute arbitrary SQL commands via the (1) checkuser and (2) checkpass parameters.

Unrestricted file upload vulnerability in add.php in FlexPHPDirectory 0.0.1 allows remote attackers to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the file in photo/.