CVE-2026-4264
Deferred Deferred - Pending Action

BaseFortify

Vulnerability report for CVE-2026-4264, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-10-09

Last updated on: 2026-10-09

Assigner: Spanish National Cybersecurity Institute, S.A. (INCIBE)

Description

Reflected Cross-Site Scripting (XSS) on the BeeTienda e-commerce platform, specifically in the latest demo version. The incident occurs due to a lack of proper sanitization of user input data in the 'search' parameter of the product list endpoint. When malicious payloads are transmitted via the 'search' parameter, they are displayed insecurely in the HTML response, allowing for the arbitrary execution of JavaScript code in the victim's browser.

CVSS Scores

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Meta Information

Published
2026-10-09
Last Modified
2026-10-09
Generated
2026-10-19
AI Q&A
2026-10-09
EPSS Evaluated
2026-10-18
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
BeeTienda eCommerce Platform 0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

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Executive Summary

This is a Reflected Cross-Site Scripting (XSS) vulnerability in the BeeTienda e-commerce platform. It occurs because user input in the 'search' parameter of the product list endpoint is not properly sanitized. Attackers can inject malicious JavaScript code via this parameter, which is then executed in the victim's browser when the page is rendered.

Detection Guidance

To detect this reflected XSS vulnerability in BeeTienda, inspect HTTP requests to the product list endpoint for the 'search' parameter. Look for unsanitized user input reflected in HTML responses. Use tools like Burp Suite or OWASP ZAP to intercept and analyze traffic. Manually test by sending payloads like <script>alert(1)</script> in the 'search' parameter and check if the script executes.

Impact Analysis

An attacker could exploit this to steal session cookies, redirect users to malicious sites, or perform actions on behalf of users. It may lead to unauthorized data access, account takeover, or defacement of the website.

Compliance Impact

This vulnerability could lead to data breaches, violating GDPR's data protection requirements or HIPAA's safeguards for protected health information. Organizations may face fines or penalties for failing to protect user data adequately.

Mitigation Strategies

Immediately apply input validation and output encoding to sanitize the 'search' parameter. Implement a Web Application Firewall (WAF) to filter malicious payloads. Temporarily disable the search functionality if no patch is available. Monitor network traffic for suspicious activity targeting the vulnerable endpoint.

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