_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.
Directory traversal vulnerability in MoinMoin 1.5.8 and earlier allows remote attackers to overwrite arbitrary files via a .. (dot dot) in the MOIN_ID user ID in a cookie for a userform action. NOTE: this issue can be leveraged for PHP code execution via the quicklinks parameter.
MoinMoin before 20070507 does not properly enforce ACLs for calendars and includes, which allows remote attackers to read certain pages via unspecified vectors.