#VU59663 Cross-site scripting in GNOME Web (Epiphany) - CVE-2021-45086

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU59663

#VU59663 Cross-site scripting in GNOME Web (Epiphany) - CVE-2021-45086

Published: January 17, 2022


Vulnerability identifier: #VU59663
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Green
CVE-ID: CVE-2021-45086
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
GNOME Web (Epiphany)
Software vendor:
Gnome Development Team

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data, because a server's suggested_filename is used as the pdf_name value in PDF.js. A remote attacker can and execute arbitrary HTML and script code in user's browser in context of vulnerable website.



Remediation

Install updates from vendor's website.

External links