CVE-2021-45085

MEDIUM

GNOME Web < 40.4 and 41.x < 41.1 - Cross-Site Scripting via about: Page

Title source: llm
STIX 2.1

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.

References (4)

Core 4
Core References
Exploit, Vendor Advisory x_refsource_misc
https://gitlab.gnome.org/GNOME/epiphany/-/issues/1612
Patch, Vendor Advisory x_refsource_misc
https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/1045
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2022/dsa-5042
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2022/08/msg00006.html

Scores

CVSS v3 6.1
EPSS 0.0029
EPSS Percentile 52.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (3)
debian/debian_linux 10.0
debian/debian_linux 11.0
gnome/epiphany < 40.4
Published Dec 16, 2021
Tracked Since Feb 18, 2026