Cross-Site Scripting Vulnerability in GNOME Web Browser
CVE-2021-45087

6.1MEDIUM

Key Information:

Vendor

Gnome
Status
Epiphany
Vendor
CVE Published:
16 December 2021

What is CVE-2021-45087?

A cross-site scripting vulnerability exists in GNOME Web (Epiphany) prior to version 40.4 and in version 41.x before 41.1. This issue can be exploited during the usage of View Source mode or Reader mode on specific webpages. A maliciously crafted page title may inadvertently execute scripts in a user’s browser, potentially leading to unauthorized access and exposure of sensitive information. Users are advised to update to the latest version to mitigate this vulnerability.

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

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