Vulnerability identifier: #VU25381

Vulnerability risk: Medium

CVSSv3.1:

CVE-ID: CVE-2020-3867

CWE-ID:

Exploitation vector: Network

Exploit availability:

Vulnerable software:
WebKitGTK+
Server applications / Frameworks for developing and running applications
WPE WebKit
Server applications / Frameworks for developing and running applications

Vendor: WebKitGTK

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. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

WebKitGTK+: 2.26.1 - 2.26.3

WPE WebKit: 2.26.0 - 2.26.3

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Fixed software versions

CPE

• cpe:2.3:a:webkitgtk:webkitgtk:2.26.3:*:*:*:*:*:*:*

External links
http://webkitgtk.org/security/WSA-2020-0002.html

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?