#VU18263 Cross-site scripting in jQuery - CVE-2012-6708

Vulnerability identifier: #VU18263

Vulnerability risk: Medium

CVSSv4.0: 2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P/U:Green]

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

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External links
https://www.securityfocus.com/bid/102792
https://bugs.jquery.com/ticket/11290
https://github.com/jquery/jquery/commit/05531fc4080ae24070930d15ae0cea7ae056457d
https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0
https://snyk.io/vuln/npm:jquery:20120206

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?