#VU56022 Cross-site scripting


Published: 2021-08-22 | Updated: 2022-10-19

Vulnerability identifier: #VU56022

Vulnerability risk: Medium

CVSSv3.1:

CVE-ID: CVE-2021-33195

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Go programming language
Universal components / Libraries / Scripting languages

Vendor: Google

Description

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

The vulnerability exists due to insufficient sanitization of data passed from DNS lookups. A remote attacker can send a specially crafted DNS reqponse 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

Go programming language: 1.15 - 1.15.12, 1.16 - 1.16.4


CPE

External links
http://groups.google.com/g/golang-announce/c/RgCMkAEQjSI
http://groups.google.com/g/golang-announce


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?


Latest bulletins with this vulnerability