What is CVE-2021-45085?

CVE-2021-45085 is a vulnerability that allows for cross-site scripting (XSS) attacks in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 via an "about:" page.

What is the severity of CVE-2021-45085?

The severity of CVE-2021-45085 is medium with a CVSS score of 6.1.

Which software versions are affected by CVE-2021-45085?

GNOME Web (Epiphany) versions before 40.4 and versions 41.x before 41.1 are affected by CVE-2021-45085.

How can I fix CVE-2021-45085?

To fix CVE-2021-45085, users should update GNOME Web (Epiphany) to version 40.4 or 41.1 or a later version.

Vulnerability/
CVE-2021-45085

medium

6.1

CWE

16/12/2021

4/8/2024

CVE-2021-45085: XSS

Q: How does CVE-2021-45085 occur?

CVE-2021-45085 occurs when a user visits an XSS payload page often enough to place that page on the Most Visited list of GNOME Web.

First published: Thu Dec 16 2021(Updated: )

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.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
debian/epiphany-browser	<=3.32.1.2-3~deb10u1	3.32.1.2-3~deb10u3 3.38.2-1+deb11u3 43.1-1 45.0-1
GNOME Epiphany	<40.4
GNOME Epiphany	>=41.0<41.1
Debian Debian Linux	=10.0
Debian Debian Linux	=11.0

Remedy

https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/1045

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Reference Links

Frequently Asked Questions

What is CVE-2021-45085?
CVE-2021-45085 is a vulnerability that allows for cross-site scripting (XSS) attacks in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 via an "about:" page.
How does CVE-2021-45085 occur?
CVE-2021-45085 occurs when a user visits an XSS payload page often enough to place that page on the Most Visited list of GNOME Web.
What is the severity of CVE-2021-45085?
The severity of CVE-2021-45085 is medium with a CVSS score of 6.1.
Which software versions are affected by CVE-2021-45085?
GNOME Web (Epiphany) versions before 40.4 and versions 41.x before 41.1 are affected by CVE-2021-45085.
How can I fix CVE-2021-45085?
To fix CVE-2021-45085, users should update GNOME Web (Epiphany) to version 40.4 or 41.1 or a later version.

collector/security-tracker-debian
collector/nvd-index
agent/severity
agent/weakness
agent/references
agent/author
agent/type
agent/description
agent/event
agent/remedy
agent/softwarecombine
agent/first-publish-date
agent/last-modified-date
agent/tags
collector/mitre-cve
source/MITRE
package-manager/debian
vendor/gnome
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version/gnome epiphany/41.0
vendor/debian
canonical/debian debian linux
version/debian debian linux/10.0
version/debian debian linux/11.0

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