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Security audit

Apple Pay

Security checks for vulnerabilities and agentic risk

Overview

This skill provides bounded Apple Pay integration guidance with disclosed local notes and payment-safety guardrails, without hidden execution or exfiltration behavior.

Install only if you want an agent to help with Apple Pay checkout or subscription integration and are comfortable giving it project-specific payment context. Do not paste private keys or raw Apple Pay token payloads into chat or local notes; use sandbox first and keep production rollout behind explicit validation checks.

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
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (4)

Autonomous Decision Making

Medium
Category
Excessive Agency
Content
- CLI tools for diagnostics: `curl`, `jq`
- Access to Apple merchant account assets for the target environment

Never ask users to paste private keys or full certificate private material into chat.

## Data Storage
Confidence
80% confidence
Finding
Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.

Sudo/Root Execution

Medium
Category
Privilege Escalation
Content
```bash
mkdir -p ~/apple-pay
touch ~/apple-pay/{memory.md,implementations.md,validation-log.md,incidents.md}
chmod 700 ~/apple-pay
chmod 600 ~/apple-pay/{memory.md,implementations.md,validation-log.md,incidents.md}
```
Confidence
80% confidence
Finding
Commands invoke sudo or root privileges. Verify this elevated access is necessary and justified.

Sudo/Root Execution

Medium
Category
Privilege Escalation
Content
mkdir -p ~/apple-pay
touch ~/apple-pay/{memory.md,implementations.md,validation-log.md,incidents.md}
chmod 700 ~/apple-pay
chmod 600 ~/apple-pay/{memory.md,implementations.md,validation-log.md,incidents.md}
```

5. If `memory.md` is empty, initialize it from `memory-template.md`.
Confidence
80% confidence
Finding
Commands invoke sudo or root privileges. Verify this elevated access is necessary and justified.

Autonomous Decision Making

Medium
Category
Excessive Agency
Content
## Guardrails

- Never ask the user to expose private keys in chat.
- Never store raw Apple Pay token payloads in local notes.
- Never claim production readiness without validation evidence.
Confidence
80% confidence
Finding
Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.

Static analysis

No suspicious patterns detected.