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Security audit

Mx Data

Security checks for vulnerabilities and agentic risk

Overview

This skill is a straightforward financial-data query guide that sends user queries to a disclosed external API using a user-provided API key.

Install only if you are comfortable sending financial query text to the disclosed Meixiang/Eastmoney API endpoint. Treat MX_APIKEY as a secret: do not commit it, paste it into shared logs, or expose it in screenshots. Prefer specific queries to avoid large responses, and review any saved mx_data_result.json file before sharing a workspace.

A.I.G

Vulnerability Patterns
  • Skill Instruction HijackingAlters the agent's session goals or safety constraints when the skill loads
  • Agent Memory PoisoningWrites attacker-controlled rules into memory that affect later sessions
  • Remote Payload Retrieval and ExecutionFetches external code whose behavior can change after review
  • Embedded Malicious CodeShips malicious scripts inside the skill and executes them locally
  • Unauthorized Access and Privilege EscalationObtains permissions beyond the task's legitimate needs

SkillSpector

Vulnerability Patterns
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
Findings (3)

Natural-Language Policy Violations

Medium
Confidence
96% confidence
Finding
The natural-language description, instructions, warnings, and examples are all presented in Chinese, which can impose a language requirement on users without opt-in. The policy allows locale constraints when explicitly offered as a choice or clearly justified as region-specific, but this file does not provide such an option or justification.

External Transmission

Medium
Category
Data Exfiltration
Content
```
2. **发送 POST 请求**：
   ```bash
   curl -X POST \
     --location 'https://mkapi2.dfcfs.com/finskillshub/api/claw/query' \
     --header 'Content-Type: application/json' \
     --header "apikey:${MX_APIKEY}" \
Confidence
60% confidence
Finding
Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Missing User Warnings

Low
Confidence
90% confidence
Finding
This markdown file explicitly tells users to obtain an API key and export it as `MX_APIKEY`, but it does not mention that the key is sensitive, should be kept secret, or should not be exposed in logs, shared shells, or checked into files. Under the markdown criteria for missing user warnings, credential-handling guidance is relevant because the skill behavior depends on sensitive authentication data.

Static analysis

No suspicious patterns detected.