A cross-site scripting vulnerability in Apache Tomcat 3.2.1 allows a malicious webmaster to embed Javascript in a request for a .JSP file, which causes the Javascript to be inserted into an error message.
http://jakarta.apache.org/tomcat/tomcat-3.2-doc/readme
http://archive.cert.uni-stuttgart.de/archive/bugtraq/2001/07/msg00021.html