Description
WordPress Plugin Bulk Delete Users by Email 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 Bulk Delete Users by Email version 1.0 is vulnerable.
Remediation
Edit the source code to ensure that CSRF protection is implemented with Nonce-like mechanism
References
http://www.exploit-db.com/exploits/34572/
http://packetstormsecurity.com/files/128182/WordPress-Bulk-Delete-Users-By-Email-1.0-CSRF.html
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