Related Vulnerabilities: CVE-2018-5182  

If a text string that happens to be a filename in the operating system's native format is dragged and dropped onto the address bar of Firefox before 60.0, the specified local file will be opened. This is contrary to policy and is what would happen if the string were the equivalent file: URL.

Severity Low

Remote No

Type Access restriction bypass

Description

If a text string that happens to be a filename in the operating system's native format is dragged and dropped onto the address bar of Firefox before 60.0, the specified local file will be opened. This is contrary to policy and is what would happen if the string were the equivalent file: URL.

AVG-693 firefox 59.0.2-3 60.0-1 Critical Fixed

13 May 2018 ASA-201805-10 AVG-693 firefox Critical multiple issues

https://www.mozilla.org/en-US/security/advisories/mfsa2018-11/#CVE-2018-5182
https://bugzilla.mozilla.org/show_bug.cgi?id=1424107