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CVE-2016-5265

Published: 3 August 2016

Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 allow user-assisted remote attackers to bypass the Same Origin Policy, and conduct Universal XSS (UXSS) attacks or read arbitrary files, by arranging for the presence of a crafted HTML document and a crafted shortcut file in the same local directory.

Priority

Medium

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
precise
Released (48.0+build2-0ubuntu0.12.04.1)
trusty
Released (48.0+build2-0ubuntu0.14.04.1)
upstream
Released (48)
xenial
Released (48.0+build2-0ubuntu0.16.04.1)
thunderbird
Launchpad, Ubuntu, Debian
precise Not vulnerable

trusty Does not exist
(trusty was not-affected)
upstream Not vulnerable

xenial Not vulnerable

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity High
Privileges required None
User interaction Required
Scope Changed
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N