Multiple cross-site scripting (XSS) vulnerabilities in Wordcircle 2.17 allow remote attackers to inject arbitrary web script or HTML via (1) the "Course name" field in index.php when the frm parameter has the value "mine" and (2) possibly certain other fields in unspecified scripts.

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Multiple SQL injection vulnerabilities in Wordcircle 2.17 allow remote attackers to (1) execute arbitrary SQL commands and bypass authentication via the password field in the login action to index.php (involving v_login.php and s_user.php) and (2) have other unknown impact via certain other fields in unspecified scripts.

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