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Security audit

xinjianxue-tarot

Security checks for vulnerabilities and agentic risk

Overview

This tarot skill discloses its ¥6 fee, uses buyer-side payment authorization, and limits what it sends to its service.

Expect a ¥6 charge per reading and a separate Alipay payment setup. Confirm the merchant and amount before authorizing payment. Your question stays in the conversation, while the service receives your spread, selected numbers, and payment proof.

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
  • MCP Tool PoisoningHidden Instructions, Unicode Deception, Parameter Description Injection
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (4)

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% 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 · references/api.md (reported line 3)May include surrounding context.

md
# 接口契约

- 地址：`https://api.xinjianxue.com/api/xinjianxue/aipay/tarot`
- 方法：POST，`Content-Type: application/json`
- 单价：6 元/次
- 鉴权：只认 `Payment-Proof`，不需要账号、密码或登录态

The tarot workflow introduces a mandatory payment requirement not disclosed in the manifest.

Medium
Category
Excessive Agency
Confidence
88% confidence
Finding

The supplied skill description presents a tarot service without disclosing that delivery requires a payment of CNY 6 per reading. This creates a payment-transparency gap: users may begin the workflow before discovering the mandatory charge, although the documented amount disclosure and buyer-side Alipay authorization substantially limit the risk of unauthorized payment.

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 · references/payment.md (reported line 8)May include surrounding context.

1. 发起请求

bash
curl -sS -D - -X POST "https://api.xinjianxue.com/api/xinjianxue/aipay/tarot" \
  -H "Content-Type: application/json" \
  -d '{"spread":"3.b","draws":[12,45,7]}'

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% 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 · references/payment.md (reported line 8)May include surrounding context.

1. 发起请求

bash
curl -sS -D - -X POST "https://api.xinjianxue.com/api/xinjianxue/aipay/tarot" \
  -H "Content-Type: application/json" \
  -d '{"spread":"3.b","draws":[12,45,7]}'

Static analysis

No suspicious patterns detected.