CVE-2017-7797

HIGH

Mozilla Firefox < 55.0 - Origin Validation Error

Title source: rule

Description

Response header name interning does not have same-origin protections and these headers are stored in a global registry. This allows stored header names to be available cross-origin. This vulnerability affects Firefox < 55.

Scores

CVSS v3 7.5
EPSS 0.0012
EPSS Percentile 31.3%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Classification

CWE
CWE-346
Status published

Affected Products (1)

mozilla/firefox < 55.0

Timeline

Published Jun 11, 2018
Tracked Since Feb 18, 2026