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CVE-2021-45085

Published: 16 December 2021

XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 via an about: page, as demonstrated by ephy-about:overview when a user visits an XSS payload page often enough to place that page on the Most Visited list.

Priority

Medium

Cvss 3 Severity Score

6.1

Score breakdown

Status

Package Release Status
epiphany-browser
Launchpad, Ubuntu, Debian
bionic Needed

focal
Released (3.36.4-0ubuntu2)
hirsute Ignored
(reached end-of-life)
impish Ignored
(reached end-of-life)
jammy Not vulnerable
(42.1-1)
kinetic Not vulnerable
(42.4-1)
trusty Ignored
(out of standard support)
upstream
Released (41.2-1)
xenial Needs triage

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:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N