Openpyxl 2.4.1 resolves external entities by default, which allows remote attackers to conduct XXE attacks via a crafted .xlsx document.
Openpyxl 2.4.1 resolves external entities by default, which allows remote attackers to conduct XXE attacks via a crafted .xlsx document.
http://www.openwall.com/lists/oss-security/2017/02/07/5 https://bitbucket.org/openpyxl/openpyxl/commits/3b4905f428e1 https://bitbucket.org/openpyxl/openpyxl/issues/749