Improper Neutralization of Special Elements used in a Command ('Command Injection')
Common LaTeX Service Interface (CLSI) before 0.1.3, as used in ShareLaTeX before 0.1.3, allows remote authenticated users to execute arbitrary code via ` (backtick) characters in a filename.
CWE-77 - Command Injection
A command injection attack involves injecting an operating system command through the data input, which gets executed on the host operating system with the privileges of the victimized application. The impact of a command injection attack may range from loss of data confidentiality and integrity to unauthorized remote access to the hosting system. The attack may cause serious data breaches and system takeover.