WordPress WebConnex Form Management plugin version 1.6.3 suffers from a cross site scripting vulnerability.
ed224faad8372c18633ac31733b8c23bClass Input Validation Error
Remote Yes
Credit Ricardo Sanchez
Vulnerable WebConnex Form Management 1.6.3
WebConnex Form Management is prone to a stored cross-site scripting
vulnerability because it fails to sufficiently sanitize user-supplied data.
An attacker may leverage this issue to execute arbitrary script code in the
browser of an unsuspecting user in the context of the affected site. This
may allow the attacker to steal cookie-based authentication credentials and
to launch other attacks.
To exploit this issue following steps:
The XSS reflected because the value accessKey is not filter correctly:
Demo Request:
http://localhost//wordpress/wp-content/plugins/qiniu-cloudtuchuang/token.php?accessKey=%22%3E%3Cimg%20src=x%20onerror=alert(1234)%3E&secretKey=1&bucket=1&prefix=1