Description
WordPress Plugin Ad Inserter-Ad Manager & AdSense Ads is prone to a directory traversal vulnerability because it fails to sufficiently verify user-supplied input. Exploiting this issue can allow an attacker to obtain sensitive information that could aid in further attacks. WordPress Plugin Ad Inserter-Ad Manager & AdSense Ads version 2.4.19 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 2.4.20 or latest
References
https://www.synacktiv.com/ressources/advisories/WordPress_ad_inserter.pdf
https://plugins.svn.wordpress.org/ad-inserter/trunk/readme.txt