CVE-2026-7269 in Pharmacy Sales and Inventory System
Summary
by MITRE • 04/28/2026
A vulnerability was found in SourceCodester Pharmacy Sales and Inventory System 1.0. Affected is an unknown function of the file /index.php?page=product. Performing a manipulation of the argument ID results in cross site scripting. It is possible to initiate the attack remotely. The exploit has been made public and could be used.
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Analysis
by VulDB Data Team • 06/26/2026
This vulnerability exists within the SourceCodester Pharmacy Sales and Inventory System version 1.0, specifically affecting the product management functionality through the index.php page with the product parameter. The issue manifests as a cross-site scripting vulnerability that allows remote attackers to inject malicious scripts into web pages viewed by other users. The flaw occurs when the system fails to properly sanitize or validate the ID argument parameter passed through the URL, enabling attackers to manipulate input data and execute arbitrary code within the victim's browser context.
The technical implementation of this vulnerability stems from inadequate input validation and output encoding practices within the application's web interface. When users navigate to the product page with a manipulated ID parameter, the system directly incorporates user-supplied data into the HTML response without proper sanitization measures. This creates an environment where malicious scripts can be executed in the context of the victim's session, potentially leading to session hijacking, credential theft, or other malicious activities. The vulnerability falls under the CWE-79 category for Cross-Site Scripting, specifically representing a stored or reflected XSS attack vector that operates through user-controllable input fields.
The operational impact of this vulnerability is significant as it enables remote code execution capabilities from any location with internet access, making it particularly dangerous for healthcare environments where sensitive patient data may be exposed. Attackers can leverage this flaw to steal session cookies, redirect users to malicious websites, or inject phishing content that appears legitimate to end-users. The public availability of exploitation tools further amplifies the risk, as security researchers and malicious actors can readily exploit this weakness without requiring advanced technical skills. This vulnerability directly violates security principles outlined in the OWASP Top Ten, specifically addressing the prevention of cross-site scripting attacks.
Mitigation strategies should include immediate implementation of input validation controls that sanitize all user-supplied data before processing, deployment of proper output encoding mechanisms to prevent script execution in web responses, and regular security audits of application code. Organizations should implement Content Security Policy headers to restrict script execution, employ web application firewalls to detect and block malicious payloads, and conduct comprehensive penetration testing to identify similar vulnerabilities across the entire application stack. The remediation process must address the root cause by ensuring all parameters passed through URL query strings undergo strict validation and sanitization before being rendered in HTML output, aligning with defensive programming practices recommended by the ATT&CK framework for web application security.