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Security audit

Car Models Inquiry - 车型大全查询

Security checks for vulnerabilities and agentic risk

Overview

This is a straightforward car-data lookup skill that uses the user's JisuAPI key to query JisuAPI, with no hidden persistence or unrelated access found.

Install this only if you are comfortable using JisuAPI and sending your AppKey plus car lookup terms, IDs, dates, and ranking parameters to that service. Use a dedicated, limited-quota API key if possible and rotate it if you think it has been logged or exposed.

A.I.G

Vulnerability Patterns
  • Insecure Skill Coding PracticesFinds exploitable flaws such as hardcoded secrets or command injection
  • 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
Findings (1)

T09 · Insecure Skill Coding Practices

Warning
Location
car.py:21
Finding

API Credential Exposed in URL Query String

Content
View full analysis
Remediation
View remediation

SkillSpector

Vulnerability Patterns
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • MCP Least PrivilegeUnderdeclared Capability, Wildcard Permission, Missing Permission Declaration
  • MCP Tool PoisoningHidden Instructions, Unicode Deception, Parameter Description Injection
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
Findings (4)

Tp2

High
Category
MCP Tool Poisoning
Confidence
85% confidence
Finding

Mixing characters from multiple Unicode scripts in a single identifier is a common technique to create visually ambiguous tool names.

Content

No source excerpt is available for this finding.

Undeclared Tool Scope

Medium
Category
MCP Least Privilege
Confidence
90% confidence
Finding

The skill declares runtime requirements including an environment variable for an API key and implies outbound network access to a third-party API, but it does not declare an explicit tool/permission scope. That creates a transparency and policy-enforcement gap: a host may permit broader execution than intended, and users cannot clearly see that the skill can access secrets and make external requests.

Content

No source excerpt is available for this finding.

External Transmission

Medium
Category
Data Exfiltration
Confidence
60% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · car.py (reported line 14)May include surrounding context.

python
import requests


BASE_URL = "https://api.jisuapi.com/car"


def _call_car_api(path: str, appkey: str, params: dict = None):

Missing User Warnings

Low
Category
Not specified by scanner
Confidence
90% confidence
Finding

The skill sends request parameters, including user-provided values such as keyword, parentid, carid, month, and week, to https://api.jisuapi.com via requests.get. Although this network behavior is central to the skill's purpose, the code does not provide any explicit disclosure near execution points that user input will be transmitted to a third-party service.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.