Firefox browser.downloads addon Remote Code Execute (PoC) Vulnerability

Exploit for multiple platform in category dos / poc CVE-2017-7821 "browser.downloads addon feature may be used for RCE" Steps: 1. Go to 'about:debugging' 2. Unpack attached PoC somewhere 3. Back in 'about:debugging' choose 'Load temp addon' and choose the poc 4. jar file is automatically download...