#VU32963 Cross-site scripting


Published: 2020-08-02

Vulnerability identifier: #VU32963

Vulnerability risk: Medium

CVSSv3.1:

CVE-ID: CVE-2020-9843

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

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

Vendor: WebKitGTK
WPE WebKit

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+: 2.0.0 - 2.28.2

WPE WebKit: 2.19.93 - 2.28.2


CPE

External links
http://webkitgtk.org/security/WSA-2020-0006.html


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?


Latest bulletins with this vulnerability