Directory traversal vulnerability in the doattachment_move function in the AttachFile action (action/AttachFile.py) in MoinMoin 1.9.3 through 1.9.5 allows remote attackers to overwrite arbitrary files via a .. (dot dot) in a file name.
"https://github.com/pypa/advisory-database/blob/main/vulns/moin/PYSEC-2013-5.yaml"