CVE-2021-45085: 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 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 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 | |
| <40.4 | ||
| >=41.0<41.1 | ||
| =10.0 | ||
| =11.0 |
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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/type
- collector/mitre-cve
- source/MITRE
- agent/remedy
- agent/weakness
- agent/references
- agent/severity
- agent/description
- agent/first-publish-date
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/last-modified-date
- agent/author
- agent/tags
- agent/softwarecombine
- agent/event
- package-manager/debian
- vendor/gnome
- canonical/gnome epiphany
- version/gnome epiphany/41.0
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/10.0
- version/debian debian linux/11.0