Description
WordPress Plugin WP-SendSMS is prone to a cross-site request forgery vulnerability. Exploiting this issue may allow a remote attacker to perform certain administrative actions and gain unauthorized access to the affected application; other attacks are also possible. WordPress Plugin WP-SendSMS version 1.0 is vulnerable; other versions may also be affected.
Remediation
Update to plugin version 1.1 or latest
References
http://www.securityfocus.com/bid/60474/exploit
http://www.exploit-db.com/exploits/26124/
http://packetstormsecurity.com/files/121977/WordPress-WP-SendSMS-1.0-CSRF-XSS.html