Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

CGI versions before 5.00 for Perl allow HTML injection via text containing --> in comment.

Arguments are placed between <!-- and --> without escaping, so text containing --> closes the comment early.

An application that passes request data to comment can be made to inject HTML into the page.