usd-2019-0069 | Zen Cart / v1.5.6d
Advisory ID: usd-2019-0069
CVE Number: CVE-2020-6578
Affected Product: Zen Cart
Affected Version: v1.5.6d
Vulnerability Type: XSS
Security Risk: Medium
Vendor: Zen Cart
Vendor URL: https://www.zen-cart.com/
Vendor Status: fixed
A reflected XSS attack (or non-persistent attack) occurs when a malicious script is reflected off of a web application to the victim’s browser. The attack is typically delivered via email or a web site and activated through a link, which sends a request to a website with a vulnerability that enables execution of malicious scripts. The
main_page parameter is vulnerable to reflected XSS in the
/includes/templates/template_default/common/tpl_main_page.php and the
Proof of Concept (PoC)
It is possible to send one of the two following requests to inject HTML code into the application:
The vulnerable code was located inside
All user supplied input should be encoded on delivery or before rendering to prevent the injection of HTML code.
- 2019-12-16 Vulnerability discovered by Gerbert Roitburd and Markus Schader
- 2020-01-08 Initial contact with vendor
- 2020-01-22 Vulnerability fixed by vendor
- 2021-02-26 Security advisory released
This security vulnerability was discovered by Gerbert Roitburd and Markus Schader of usd AG.
ABOUT usd SECURITY ADVISORIES
In order to protect businesses against hackers and criminals, we always have to keep our skills and knowledge up to date. Thus, security research is just as important for our work as is building up a security community to promote the exchange of knowledge. After all, more security can only be achieved if many individuals take on the task.
Our CST Academy and our usd HeroLab are essential parts of our security mission. We share the knowledge we gain in our practical work and our research through training courses and publications. In this context, the usd HeroLab publishes a series of papers on new vulnerabilities and current security issues.
Always for the sake of our mission: “more security.”
In accordance with usd AG’s Responsible Disclosure Policy, all vendors have been notified of the existence of these vulnerabilities.
The information provided in this security advisory is provided “as is” and without warranty of any kind. Details of this security advisory may be updated in order to provide as accurate information as possible.