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.
Security audit
汇率查询 - Exchange Rate Inquiry & Conversion
Security checks for vulnerabilities and agentic risk
Overview
This skill is a disclosed exchange-rate lookup tool that sends currency query parameters and a required JisuAPI key to the documented JisuAPI endpoints.
Install only if you are comfortable sending exchange-rate query details and your JisuAPI AppKey to JisuAPI. Keep the API key scoped to this service if possible, monitor usage or billing quotas, and avoid including unnecessary personal or account information in currency queries.
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
Vulnerability Patterns
- Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
- Trigger AbuseOverly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
- 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
Findings (11)
Lp3
Medium
- Category
- MCP Least Privilege
- Confidence
- 89% confidence
- Finding
- The skill requires an environment variable containing an API key and clearly relies on external network access, but it does not declare an explicit tool scope such as permissions or allowed-tools. That creates an authorization and review gap: an agent may invoke code with broader capabilities than a reviewer expects, increasing the risk of unintended network calls or secret exposure through the script.
Vague Triggers
Medium
- Confidence
- 93% confidence
- Finding
- The activation description is broad enough to match many exchange-rate-related natural-language requests without tight boundaries, which can cause over-triggering. In an agent setting, that may lead to unnecessary external API calls, inadvertent sharing of user-provided financial context with a third party, and execution of this skill when a simpler local response would suffice.
External Transmission
Medium
- Category
- Data Exfiltration
- Content
import requests EXCHANGE_CONVERT_URL = "https://api.jisuapi.com/exchange/convert" EXCHANGE_SINGLE_URL = "https://api.jisuapi.com/exchange/single" EXCHANGE_CURRENCY_URL = "https://api.jisuapi.com/exchange/currency" EXCHANGE_BANK_URL = "https://api.jisuapi.com/exchange/bank"
- Confidence
- 60% confidence
- Finding
- Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.
External Transmission
Medium
- Category
- Data Exfiltration
- Content
import requests EXCHANGE_CONVERT_URL = "https://api.jisuapi.com/exchange/convert" EXCHANGE_SINGLE_URL = "https://api.jisuapi.com/exchange/single" EXCHANGE_CURRENCY_URL = "https://api.jisuapi.com/exchange/currency" EXCHANGE_BANK_URL = "https://api.jisuapi.com/exchange/bank"
- Confidence
- 60% confidence
- Finding
- Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.
External Transmission
Medium
- Category
- Data Exfiltration
- Content
import requests EXCHANGE_CONVERT_URL = "https://api.jisuapi.com/exchange/convert" EXCHANGE_SINGLE_URL = "https://api.jisuapi.com/exchange/single" EXCHANGE_CURRENCY_URL = "https://api.jisuapi.com/exchange/currency" EXCHANGE_BANK_URL = "https://api.jisuapi.com/exchange/bank"
- Confidence
- 60% confidence
- Finding
- Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.
External Transmission
Medium
- Category
- Data Exfiltration
- Content
import requests EXCHANGE_CONVERT_URL = "https://api.jisuapi.com/exchange/convert" EXCHANGE_SINGLE_URL = "https://api.jisuapi.com/exchange/single" EXCHANGE_CURRENCY_URL = "https://api.jisuapi.com/exchange/currency" EXCHANGE_BANK_URL = "https://api.jisuapi.com/exchange/bank"
- Confidence
- 60% confidence
- Finding
- Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.
External Transmission
Medium
- Category
- Data Exfiltration
- Content
import requests EXCHANGE_CONVERT_URL = "https://api.jisuapi.com/exchange/convert" EXCHANGE_SINGLE_URL = "https://api.jisuapi.com/exchange/single" EXCHANGE_CURRENCY_URL = "https://api.jisuapi.com/exchange/currency" EXCHANGE_BANK_URL = "https://api.jisuapi.com/exchange/bank"
- Confidence
- 60% confidence
- Finding
- Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.
External Transmission
Medium
- Category
- Data Exfiltration
- Content
import requests EXCHANGE_CONVERT_URL = "https://api.jisuapi.com/exchange/convert" EXCHANGE_SINGLE_URL = "https://api.jisuapi.com/exchange/single" EXCHANGE_CURRENCY_URL = "https://api.jisuapi.com/exchange/currency" EXCHANGE_BANK_URL = "https://api.jisuapi.com/exchange/bank"
- Confidence
- 60% confidence
- Finding
- Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.
External Transmission
Medium
- Category
- Data Exfiltration
- Content
import requests EXCHANGE_CONVERT_URL = "https://api.jisuapi.com/exchange/convert" EXCHANGE_SINGLE_URL = "https://api.jisuapi.com/exchange/single" EXCHANGE_CURRENCY_URL = "https://api.jisuapi.com/exchange/currency" EXCHANGE_BANK_URL = "https://api.jisuapi.com/exchange/bank"
- Confidence
- 60% confidence
- Finding
- Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.
External Transmission
Medium
- Category
- Data Exfiltration
- Content
import requests EXCHANGE_CONVERT_URL = "https://api.jisuapi.com/exchange/convert" EXCHANGE_SINGLE_URL = "https://api.jisuapi.com/exchange/single" EXCHANGE_CURRENCY_URL = "https://api.jisuapi.com/exchange/currency" EXCHANGE_BANK_URL = "https://api.jisuapi.com/exchange/bank"
- Confidence
- 60% confidence
- Finding
- Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.
Static analysis
No suspicious patterns detected.