First published: Tue Aug 08 2017(Updated: )
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.
Credit: security@mozilla.org
Affected Software | Affected Version | How to fix |
---|---|---|
Mozilla Firefox | <55 | 55 |
<55 | 55 | |
Mozilla Firefox | <55.0 |
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(Found alongside the following vulnerabilities)