Summary
The remote host is missing updates announced in
advisory GLSA 200505-10.
Solution
All phpBB users should upgrade to the latest version:
emerge --sync
emerge --ask --oneshot --verbose '>=www-apps/phpBB-2.0.15'
http://www.securityspace.com/smysecure/catid.html?in=GLSA%20200505-10 http://bugs.gentoo.org/show_bug.cgi?id=90213
http://www.securityfocus.com/bid/13344/info/
http://securitytracker.com/id?1013918
Insight
phpBB is vulnerable to a cross-site scripting attack that could allow arbitrary scripting code execution.