What is the vulnerability ID of this vulnerability?

The vulnerability ID is CVE-2021-45087.

What is the severity of CVE-2021-45087?

The severity of CVE-2021-45087 is medium (6.1).

Which software versions are affected by CVE-2021-45087?

GNOME Web (Epiphany) versions before 40.4 and 41.x before 41.1 are affected.

How can CVE-2021-45087 be exploited?

CVE-2021-45087 can be exploited when View Source mode or Reader mode is used, as demonstrated by a page title.

Where can I find more information about CVE-2021-45087?

You can find more information about CVE-2021-45087 at the following references: [link1](https://gitlab.gnome.org/GNOME/epiphany/-/issues/1612), [link2](https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/1045), [link3](https://security-tracker.debian.org/tracker/CVE-2021-45087).

Vulnerability/
CVE-2021-45087

medium

6.1

CWE

16/12/2021

4/8/2024

CVE-2021-45087: XSS

First published: Thu Dec 16 2021(Updated: )

XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 when View Source mode or Reader mode is used, as demonstrated by a a page title.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
GNOME Epiphany	<40.4
GNOME Epiphany	>=41.0<41.1
Debian Debian Linux	=10.0
Debian Debian Linux	=11.0
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

Remedy

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

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Reference Links

Frequently Asked Questions

What is the vulnerability ID of this vulnerability?
The vulnerability ID is CVE-2021-45087.
What is the severity of CVE-2021-45087?
The severity of CVE-2021-45087 is medium (6.1).
Which software versions are affected by CVE-2021-45087?
GNOME Web (Epiphany) versions before 40.4 and 41.x before 41.1 are affected.
How can CVE-2021-45087 be exploited?
CVE-2021-45087 can be exploited when View Source mode or Reader mode is used, as demonstrated by a page title.
Where can I find more information about CVE-2021-45087?
You can find more information about CVE-2021-45087 at the following references: [link1](https://gitlab.gnome.org/GNOME/epiphany/-/issues/1612), [link2](https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/1045), [link3](https://security-tracker.debian.org/tracker/CVE-2021-45087).

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agent/references
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agent/event
agent/weakness
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agent/tags
agent/description
agent/first-publish-date
agent/softwarecombine
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agent/last-modified-date
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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