#VU54514 Stored cross-site scripting in Shopware - CVE-2021-32713

Vulnerability identifier: #VU54514

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-32713

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Shopware
Web applications / E-Commerce systems

Vendor: Shopware

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. A remote authenticated attacker can inject 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 update from vendor's website.

Vulnerable software versions

Shopware: 5.0.0-WORKSHOP - 5.6.9

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External links
https://github.com/shopware/shopware/security/advisories/GHSA-f6p7-8xfw-fjqq
https://docs.shopware.com/en/shopware-5-en/security-updates/security-update-05-2021
https://github.com/shopware/shopware/commit/a0850ffbc6f581a8eb8425cc2bf77a0715e21e12

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.