CVE-2026-3041 in BaykeShop
Summary
by MITRE • 02/24/2026
A security vulnerability has been detected in xingfuggz BaykeShop up to 1.3.20. Impacted is an unknown function of the file src/baykeshop/contrib/article/templates/baykeshop/sidebar/custom.html of the component Article Sidebar Module. Such manipulation of the argument sidebar.content leads to cross site scripting. The attack can be executed remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.
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Analysis
by VulDB Data Team • 06/10/2026
This vulnerability resides within the xingfuggz BaykeShop e-commerce platform, specifically affecting version 1.3.20 and earlier releases. The issue is embedded within the Article Sidebar Module component, more precisely in the template file located at src/baykeshop/contrib/article/templates/baykeshop/sidebar/custom.html. The flaw manifests when an attacker manipulates the sidebar.content argument, which then gets improperly processed and rendered within the web interface. This represents a classic cross-site scripting vulnerability that allows malicious actors to inject arbitrary javascript code into the application's output, potentially compromising user sessions and data integrity.
The technical exploitation of this vulnerability occurs through remote code execution capabilities, meaning attackers do not require physical access to the system or local network privileges to carry out their malicious activities. The vulnerability stems from inadequate input sanitization and output encoding practices within the template rendering engine. When user-supplied content is directly embedded into the sidebar without proper validation and sanitization, it creates an opening for attackers to inject malicious scripts. This type of vulnerability is categorized under CWE-79 - Improper Neutralization of Input During Web Page Generation, which specifically addresses the failure to properly encode or escape user-controllable data before incorporating it into web pages.
The operational impact of this vulnerability extends beyond simple script injection, as it provides attackers with potential access to sensitive user information, session hijacking capabilities, and possible privilege escalation within the application. Users who view compromised sidebar content become victims of the attack, with their browsers executing malicious scripts that could steal cookies, redirect them to phishing sites, or perform actions on their behalf. The fact that this exploit has been publicly disclosed increases the risk significantly, as it eliminates the element of surprise that attackers typically rely upon for successful compromises. Security researchers have noted that such vulnerabilities in content management systems and e-commerce platforms represent particularly attractive targets due to the high volume of user interactions and the sensitive data these systems typically handle.
Organizations using affected versions of BaykeShop should immediately implement mitigation strategies including input validation and output encoding for all user-controllable data within sidebar components. The recommended approach involves implementing proper HTML escaping mechanisms for all dynamic content rendered in templates, ensuring that any user-supplied input is sanitized before being processed by the application. Additionally, organizations should consider implementing content security policies that restrict script execution and monitor for suspicious activity patterns. The vulnerability aligns with ATT&CK technique T1059.007 - Command and Scripting Interpreter: JavaScript, as it enables attackers to execute malicious javascript code within user browsers. Regular security audits and vulnerability assessments should be conducted to identify similar issues in other components of the application, particularly in template rendering systems and user input handling mechanisms. The lack of response from the project maintainers regarding the reported issue underscores the importance of proactive security measures and community collaboration in addressing software vulnerabilities effectively.