### [CVE-2017-7808](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7808)
![](https://img.shields.io/static/v1?label=Product&message=Firefox&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%2055%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CSP%20information%20leak%20with%20frame-ancestors%20containing%20paths&color=brighgreen)

### Description

A content security policy (CSP) "frame-ancestors" directive containing origins with paths allows for comparisons against those paths instead of the origin. This results in a cross-origin information leak of this path information. This vulnerability affects Firefox < 55.

### POC

#### Reference
- https://bugzilla.mozilla.org/show_bug.cgi?id=1367531

#### Github
No PoCs found on GitHub currently.