Foxit PDF Editor XLS File Parsing Exposed Dangerous Method Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Editor. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of XLS files. The issue results from the lack of proper restrictions on macro-enabled documents. An attacker can leverage this vulnerability to execute code in the context of the current process. . Was ZDI-CAN-19738.