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Security audit

content-repurpose-studio

Security checks for vulnerabilities and agentic risk

Overview

This skill is a coherent content-repurposing helper with a small local Python script and no evidence of hidden networking, credential use, persistence, or destructive behavior.

Before installing, understand that the optional helper script reads a source text file you name and writes a JSON draft file, so run it only on content you intend to process and choose a safe output path if you do not want to overwrite an existing file.

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
  • MCP Least PrivilegeUnderdeclared Capability, Wildcard Permission, Missing Permission Declaration
  • 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 (4)

Lp3

Medium
Category
MCP Least Privilege
Confidence
84% confidence
Finding
The skill declares a local Python script and a runtime dependency on python3, and the static analyzer detected file read/write capability, but the manifest does not define any explicit tool scope or permissions boundary. That means an agent runtime may invoke the helper script with broader filesystem access than users would reasonably expect, increasing the risk of unintended file access or overwrite if the script is misused or later modified.

Natural-Language Policy Violations

Medium
Confidence
94% confidence
Finding
The skill file's operational instructions and acceptance criteria are written entirely in Chinese, which imposes a specific language/locale on users and auditors without any opt-in or explanation that the skill is region-specific. This matches the policy-violation category for language or locale constraints expressed in natural language.

Natural-Language Policy Violations

Low
Confidence
91% confidence
Finding
The file presents key usage information in Chinese (for example section headings and explanatory text) while other parts are in English, but it does not tell users they can choose a preferred language or that the skill is intended only for a specific locale. This can amount to an implicit language policy constraint without user opt-in.

Natural-Language Policy Violations

Low
Confidence
96% confidence
Finding
This markdown file contains user-facing natural-language content exclusively in Chinese, including section headings, checklist items, and the conclusion. Under the policy, forcing a specific language without user opt-in can be a locale-policy violation, and this file does not indicate any optional language support or region-specific justification.

Static analysis

No suspicious patterns detected.