Cross-site scripting (XSS) vulnerability in pretty-bar.php in Pretty Link Lite plugin before 1.5.6 for WordPress allows remote attackers to inject arbitrary web script or HTML via the slug parameter, a different vulnerability than CVE-2011-5191.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2011-5092
http://www.securityfocus.com/bid/51306
http://wordpress.org/extend/plugins/pretty-link/changelog/
http://secunia.com/advisories/47456
http://plugins.trac.wordpress.org/changeset/485819/pretty-link