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Security audit

phonetic-choir-synth

Security checks for vulnerabilities and agentic risk

Overview

The skill coherently teaches music synthesis and disclosed publishing, with uncertainty around code and API instructions supplied separately.

Review and pin the downloaded repository before running its code. Publish only recordings and lyrics you intend to share, and check ListenHere's visibility and authentication requirements first. The external rebuild code and publishing guide were not verified in this review.

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
  • Output HandlingUnvalidated Output Injection, Cross-Context Output, Unbounded Output
  • 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)

The publishing workflow uploads lyrics to a third-party service without a privacy warning.

Medium
Category
Output Handling
Confidence
88% confidence
Finding

The workflow instructs the agent to upload timed-lyrics JSON to ListenHere, rather than merely listing an available tool. Although publishing is described as a capability, the skill does not warn that this sends lyric content and recording identifiers to an external service or advise against uploading private or unreleased material without approval.

Content

No source excerpt is available for this finding.