Cross-site scripting (XSS) vulnerability in Serendipity (S9Y) before 1.3-beta1 allows remote authenticated users to inject arbitrary web script or HTML via (1) the "Real name" field in Personal Settings, which is presented to readers of articles; or (2) a file upload, as demonstrated by a .htm, .html, or .js file.
https://exchange.xforce.ibmcloud.com/vulnerabilities/40851
http://www.vupen.com/english/advisories/2008/0700/references
http://www.securitytracker.com/id?1019502
http://www.securityfocus.com/bid/28003
http://www.debian.org/security/2008/dsa-1528
http://secunia.com/advisories/29502
http://secunia.com/advisories/29128
http://int21.de/cve/CVE-2008-0124-s9y.html
http://blog.s9y.org/archives/191-Serendipity-1.3-beta1-released.html