MoinMoin before 1.8.7 and 1.9.x before 1.9.2 does not properly sanitize user profiles, which has unspecified impact and attack vectors.
hg.moinmo.in/moin/1.8/raw-file/1.8.7/docs/CHANGES
moinmo.in/MoinMoinRelease1.8
moinmo.in/SecurityFixes
secunia.com/advisories/38444
secunia.com/advisories/38903
www.debian.org/security/2010/dsa-2014
www.openwall.com/lists/oss-security/2010/02/15/2
www.openwall.com/lists/oss-security/2010/02/15/4
www.openwall.com/lists/oss-security/2010/02/21/2
www.securityfocus.com/bid/38023
www.vupen.com/english/advisories/2010/0600