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CVE-2021-45085

Date: December 15, 2021

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.

Language: C

Severity Score

Related Resources (9)

https://security-tracker.debian.org/tracker/CVE-2021-45085
https://lists.debian.org/debian-lts-announce/2022/08/msg00006.html
https://gitlab.gnome.org/GNOME/epiphany/-/issues/1612
https://www.debian.org/security/2022/dsa-5042
https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/1045
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-45085
https://nvd.nist.gov/vuln/detail/CVE-2021-45085
https://security.alpinelinux.org/vuln/CVE-2021-45085
https://www.mend.io/vulnerability-database/CVE-2021-45085

Severity Score

Weakness Type (CWE)

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CWE-79

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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