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CVE-2017-5466

Published: 20 April 2017

If a page is loaded from an original site through a hyperlink and contains a redirect to a "data:text/html" URL, triggering a reload will run the reloaded "data:text/html" page with its origin set incorrectly. This allows for a cross-site scripting (XSS) attack. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 52.1, and Firefox < 53.

Priority

Medium

Cvss 3 Severity Score

6.1

Score breakdown

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
yakkety
Released (53.0+build6-0ubuntu0.16.10.1)
zesty
Released (53.0+build6-0ubuntu0.17.04.1)
precise Ignored

trusty
Released (53.0+build6-0ubuntu0.14.04.1)
upstream
Released (53.0)
xenial
Released (53.0+build6-0ubuntu0.16.04.1)
thunderbird
Launchpad, Ubuntu, Debian
precise Ignored
(end of life)
trusty
Released (1:52.1.1+build1-0ubuntu0.14.04.1)
upstream
Released (52.1.1)
xenial
Released (1:52.1.1+build1-0ubuntu0.16.04.1)
yakkety
Released (1:52.1.1+build1-0ubuntu0.16.10.1)
zesty
Released (1:52.1.1+build1-0ubuntu0.17.04.1)

Severity score breakdown

Parameter Value
Base score 6.1
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Changed
Confidentiality Low
Integrity impact Low
Availability impact None
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N