Improper Restriction of XML External Entity Reference
Mitsubishi Electric FR Configurator2, Version 1.16S and prior. This vulnerability is triggered when input passed to the XML parser is not sanitized while parsing the XML project and/or template file (.frc2). Once a user opens the file, the attacker could read arbitrary files.
CWE-611 - Improper Restriction of XML External Entity Reference
Listed 4th in the 'OWASP Top Ten', XML External Entities (XXE) vulnerability allows attackers to provide an XML input that contains an external entity. When the XML is parsed, it can cause data extraction and manipulation, execution of commands, denial-of-service attacks, and server-side request forgery.