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Security audit

plane-seat-picker

Security checks for vulnerabilities and agentic risk

Overview

This is an offline travel helper for choosing airplane seats, and its script and instructions match that purpose without hidden network, credential, persistence, or destructive behavior.

Install if you want offline airplane seat-selection advice. Treat its recommendations as general guidance because airline subfleets and seat maps vary; verify the exact seat map before paying for a seat.

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
  • 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
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (1)

Autonomous Decision Making

Medium
Category
Excessive Agency
Confidence
75% 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.

Content

Scanner excerpt · SKILL.md (reported line 139)May include surrounding context.

md
## Common Pitfalls

1. **Paying for exit row without checking the row AHEAD.** You
   bought 21A; if 20 is the last row before exit... you ARE 21A.
   But buying 20A to save money = no recline for 4 h.
2. **Bulkhead with a lap infant assumption.** Bassinets are