A CSP information leak has been found in Firefox < 55.0. 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.
A CSP information leak has been found in Firefox < 55.0. 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.
https://www.mozilla.org/en-US/security/advisories/mfsa2017-18/#CVE-2017-7808 https://bugzilla.mozilla.org/show_bug.cgi?id=1367531
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