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Security audit

Nearby Bookshops

Security checks for vulnerabilities and agentic risk

Overview

This skill only describes how to find nearby bookshops using user-authorized location data and does not include executable code or hidden behavior.

Before installing, note that the skill needs a user-provided or authorized location to work. It is reasonable for a nearby bookstore finder, and the artifact advises avoiding retention of precise coordinates; users who need strict privacy should confirm how the host app implements that caching and coordinate handling.

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
  • Trigger AbuseOverly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
  • 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)

Natural-Language Policy Violations

Low
Category
Not specified by scanner
Confidence
78% confidence
Finding

The trigger conditions hard-code English phrases like "bookstore near me" and "nearby bookshops" while the rest of the document is primarily in Chinese. This can create an implicit language constraint without stating whether users may invoke the skill in other languages or locales.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.