t0pP8uZz has reported some vulnerabilities in Prozilla Topsites, which can be exploited by malicious people to bypass certain security restrictions.
The vulnerabilities are caused due to insufficient access restrictions of siteadmin/addu.php, siteadmin/editu.php, and siteadmin/uidx.php. This can be exploited to e.g. add users and edit the administrator's password by directly accessing affected files.
Solution: Restrict access to affected files (e.g. with ".htaccess").
Provided and/or discovered by: t0pP8uZz
Original Advisory: http://milw0rm.com/exploits/5388
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