Cross-site request forgery (CSRF) vulnerability in actions.php in Positive Software H-Sphere WebShell 4.3.10 allows remote attackers to perform unauthorized actions as an administrator, including file deletion and creation, via a link or IMG tag to the (1) overkill, (2) futils, or (3) edit actions.
https://exchange.xforce.ibmcloud.com/vulnerabilities/45614
https://euvd.enisa.europa.eu/vulnerability/EUVD-2008-4429
http://secunia.com/advisories/32086
http://packetstormsecurity.org/0810-exploits/webshell431-xssxsrf.txt