Cross-site scripting in jQuery

#VU18263 Cross-site scripting in jQuery

Published: 2021-06-17

Vulnerability identifier: #VU18263

Vulnerability risk: Medium

CVSSv3.1:

CVE-ID: CVE-2012-6708

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
jQuery
Web applications / JS libraries

Vendor: The jQuery 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 within the jQuery(strInput) function that does not differentiate selectors from HTML. 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

jQuery: 1.7.1 - 1.8.3

CPE