CVE-2021-45085 Information

Description

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.

CVSS Vector

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

Reference

https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/1045 https://gitlab.gnome.org/GNOME/epiphany/-/issues/1612 https://www.debian.org/security/2022/dsa-5042

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

6.1