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sromanhu / CVE-2023-43344-Quick-CMS-Stored-XSS---SEO-Meta-description

Quick CMS 6.7 is affected by a Cross-Site Scripting (XSS) vulnerability that allows attackers to execute arbitrary code via a crafted payload to the SEO- Meta description in the Pages Menu.

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Quick CMS Stored XSS v6.7

Author: (Sergio)

Description: A Cross-Site Scripting (XSS) vulnerabiliti in Quick CMS v6.7 allows a local attacker to execute arbitrary code via a crafted script to the to the SEO - Meta description in the Pages Menu.

Attack Vectors: Scripting A vulnerability in the sanitization of the entry in the Meta description of "Pages- SEO" allows injecting JavaScript code that will be executed when the user accesses the web page.

POC:

When logging into the panel, we will go to the "Pages - SEO ." section off General Menu.

XSS Payload SEO - Meta Description

We edit that SEO Settings and see that we can inject arbitrary Javascript code in the Meta Description field.

XSS Payload:

'"><svg/onload=alert('XSS')>

In the following image you can see the embedded code that executes the payload in the main web. XSS resultado SEO - Metadescription


Additional Information:

https://opensolution.org/cms-system-quick-cms.html

https://owasp.org/Top10/es/A03_2021-Injection/

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Quick CMS 6.7 is affected by a Cross-Site Scripting (XSS) vulnerability that allows attackers to execute arbitrary code via a crafted payload to the SEO- Meta description in the Pages Menu.