Cross-site scripting in Shopware

1) Cross-site scripting

EUVDB-ID: #VU48601

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

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 in the Customer, Newsletter and Shopping Worlds modules. 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

Shopware: 1.0.2 - 6.3.0.0

External links

http://snyk.io/vuln/SNYK-PHP-SHOPWARESHOPWARE-1040421
http://github.com/shopware/shopware/commit/00a172e762c45af14cb16345a944a9e22ec12aeb
http://github.com/shopware/shopware/commit/2351372e8d78a504f9dba20e42341509137e680b
http://github.com/shopware/shopware/commit/13e67baae3adc6c3e231c323104fa66b4f7d2e93

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.