_macro_Getval in wikimacro.py in MoinMoin 1.5.8 and earlier does not properly enforce ACLs, which allows remote attackers to read protected pages.
https://www.redhat.com/archives/fedora-package-announce/2008-April/msg00538.html
https://www.redhat.com/archives/fedora-package-announce/2008-April/msg00510.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/41038
http://www.securityfocus.com/bid/28177
http://www.gentoo.org/security/en/glsa/glsa-200803-27.xml
http://www.debian.org/security/2008/dsa-1514
http://secunia.com/advisories/33755
http://secunia.com/advisories/30031
http://secunia.com/advisories/29444
http://secunia.com/advisories/29262