Cross-site scripting (XSS) vulnerability in the link_to helper in Mojolicious before 1.12 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
https://exchange.xforce.ibmcloud.com/vulnerabilities/67257
http://www.securityfocus.com/bid/47713
http://www.debian.org/security/2011/dsa-2239
http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060122.html
http://cpansearch.perl.org/src/KRAIH/Mojolicious-1.20/Changes