SB2020112321 - Cross-site scripting in Shopware

Description

This security bulletin contains information about 1 security vulnerability.

1) Cross-site scripting (CVE-ID: N/A)

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.

Remediation

Install update from vendor's website.

References

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