CVE-2021-45086: 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 because a server's suggested_filename is used as the pdf_name value in PDF.js.
Credit: 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 | =11.0 |
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Reference Links
Frequently Asked Questions
What is CVE-2021-45086?
CVE-2021-45086 is a Cross-Site Scripting (XSS) vulnerability that can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1.
What is the severity of CVE-2021-45086?
The severity of CVE-2021-45086 is medium with a severity value of 6.1.
How can XSS occur in GNOME Web?
XSS can occur in GNOME Web because a server's suggested_filename is used as the pdf_name value in PDF.js.
Which software versions are affected by CVE-2021-45086?
Epiphany versions before 40.4 and 41.x before 41.1 are affected by CVE-2021-45086.
How can I mitigate the CVE-2021-45086 vulnerability in GNOME Web?
To mitigate the CVE-2021-45086 vulnerability, it is recommended to update GNOME Web to version 40.4 or above.
- collector/security-tracker-debian
- collector/nvd-index
- agent/type
- agent/references
- agent/severity
- agent/weakness
- agent/author
- agent/description
- agent/event
- agent/remedy
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- agent/tags
- collector/mitre-cve
- source/MITRE
- package-manager/debian
- vendor/gnome
- canonical/gnome epiphany
- version/gnome epiphany/41.0
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/11.0