Vulnerability identifier: #VU44483

Vulnerability risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2011-4567

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Zen Cart
Web applications / E-Commerce systems

Vendor: Zen Cart Team

Description

Vulnerability allows a remote attacker to perform XSS attacks.

The vulnerability is caused by an input validation error in includes/templates/template_default/templates/tpl_gv_send_default.php in Zen Cart when processing message parameter in a gv_send action to index.php. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security 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 update from vendor's website.

Vulnerable software versions

Zen Cart: 1.1.0 - 1.3.9h

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External links
http://www.securityfocus.com/bid/50787
http://exchange.xforce.ibmcloud.com/vulnerabilities/71519
http://www.dognaedis.com/vulns/DGS-SEC-8.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.