Description
WordPress Plugin WP-Lister Lite for eBay 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 WP-Lister Lite for eBay version 2.0.20 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 2.0.21 or latest
References
https://github.com/jqueryfiletree/jqueryfiletree/issues/66
https://plugins.svn.wordpress.org/wp-lister-for-ebay/trunk/readme.txt