CVE-2017-7808
Mozilla: CSP information leak with frame-ancestors containing paths (MFSA 2017-18)
Severity
ModerateRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · August 8, 2017
Updated · November 22, 2025
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.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 6.1CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE-863 · Incorrect Authorization