Vulnerability identifier: #VU59663
Vulnerability risk: Medium
Exploitation vector: Network
Exploit availability: No
Vendor: Gnome Development Team
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.
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Vulnerable software versions
GNOME Web (Epiphany): 41.0, 40.0 - 40.3
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?