XSS Vulnerability in GNOME Web Browser by GNOME
CVE-2021-45085

6.1MEDIUM

Key Information:

Vendor

Gnome
Status
Epiphany
Vendor
CVE Published:
16 December 2021

What is CVE-2021-45085?

An XSS vulnerability exists in the GNOME Web browser (Epiphany) prior to version 40.4 and in version 41.x prior to 41.1. This security issue can be triggered via an about: page, particularly through the 'ephy-about:overview' functionality. It becomes exploitable when a user visits a malicious page frequently enough for it to be added to the browser's Most Visited list, potentially allowing an attacker to run arbitrary scripts in the context of the user’s browser.

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References

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

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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