Is Plex vulnerable to this subtitle file hack?

The security firm Checkpoint announced that a number of common media players are vulnerable to hackers using a malicious subtitle file to take control of a computer. They also note that sites like OpenSubtitles.com can easily be manipulated to place the malicious files at the top of search results, potentially leading to automatic downloading by Plex. Other vulnerable media players have released patches for this vulnerability. Is Plex vulnerable to this hack?