Description
WordPress Plugin Backup and Restore WordPress-WPBackItUp is prone to a vulnerability that lets attackers delete arbitrary files because the application fails to properly verify user-supplied input. An attacker can exploit this vulnerability to delete arbitrary files in the context of the webserver process. WordPress Plugin Backup and Restore WordPress-WPBackItUp version 1.15.3 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 1.15.4 or latest
References
http://lenonleite.com.br/en/publish-exploits/plugin-wpbackitup-backup-1-15-3-rce-unlink/
https://plugins.svn.wordpress.org/wp-backitup/trunk/readme.txt
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