Description
WordPress Plugin POST SMTP Mailer-Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress is prone to multiple cross-site request forgery vulnerabilities. Exploiting these issues 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 POST SMTP Mailer-Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress version 2.5.6 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 2.5.7 or latest
References
https://sploitus.com/exploit?id=WPEX-ID:542CAA40-B199-4397-90BB-4FDB693EBB24
https://sploitus.com/exploit?id=WPEX-ID:5341CB5D-D204-49E1-B013-F8959461995F
https://plugins.svn.wordpress.org/post-smtp/trunk/readme.txt