EUVD-2026-26051Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
9DescriptionCVE.org
A vulnerability was determined in SourceCodester Pharmacy Sales and Inventory System 1.0. The impacted element is the function supplier of the file /index.php?page=supplier. Executing a manipulation of the argument Name can lead to cross site scripting. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized.
AnalysisAI
Stored cross-site scripting (XSS) in SourceCodester Pharmacy Sales and Inventory System 1.0 allows authenticated remote attackers with high privileges to inject malicious scripts via the Name parameter in the supplier management function (/index.php?page=supplier), affecting users who view the poisoned supplier records. The vulnerability requires user interaction (clicking a malicious link) and has CVSS 4.8 with publicly available proof-of-concept code, though it is limited to high-privileged users (PR:H) and causes only integrity impact (VI:L) without confidentiality or availability compromise.
Technical ContextAI
This is a reflected or stored cross-site scripting vulnerability (CWE-79) in a PHP-based inventory management application. The vulnerability exists in the supplier management endpoint where user-supplied input in the 'Name' parameter is not properly sanitized or encoded before being reflected in HTTP responses or stored in the database. The affected CPE (cpe:2.3:a:sourcecodester:pharmacy_sales_and_inventory_system) indicates this is a web application vulnerable in its core supplier module. The attack leverages inadequate input validation and output encoding in PHP, a common pattern in legacy or poorly-maintained CRUD applications that directly interpolate user input into HTML contexts without escaping or using parameterized approaches.
RemediationAI
Immediate remediation requires input validation and output encoding: sanitize the 'Name' parameter in the supplier management function using a PHP whitelist-based validation function or HTML entity encoding (htmlspecialchars() with ENT_QUOTES flag) before storing or displaying supplier names. Implement a Content Security Policy (CSP) header with script-src 'self' to mitigate reflected XSS impact if input sanitization is incomplete. For SourceCodester, check https://www.sourcecodester.com/ for a patched version; if none exists, consider migrating to a maintained pharmacy inventory system with security-first design. As a temporary compensating control, restrict access to the /index.php?page=supplier endpoint to specific IP ranges or require additional authentication steps for supplier data modification. Note that CSP mitigation may impact legitimate inline scripts in the application; coordinate with development before deployment.
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Same weakness CWE-79 – Cross-site Scripting (XSS)
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External POC / Exploit Code
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