JSPWiki 2.4.103 and 2.5.139-beta allows remote attackers to obtain sensitive information (full path) via an invalid integer in the version parameter to the default URI under attach/Main/.
https://exchange.xforce.ibmcloud.com/vulnerabilities/36768
http://www.securityfocus.com/archive/1/480570/100/0/threaded
http://www.ecyrd.com/~jalkanen/JSPWiki/2.4.104/ChangeLog
http://securityreason.com/securityalert/3167
http://secunia.com/advisories/26961
http://lists.grok.org.uk/pipermail/full-disclosure/2007-September/066096.html