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Security audit

Netease Cloud Music

Security checks for vulnerabilities and agentic risk

Overview

This skill is a narrow NetEase Cloud Music helper for light public-page analysis, with no evidence of hidden code, persistence, or unsafe automation.

Install this if you want help summarizing or comparing NetEase Cloud Music pages. Use caution with logged-in personal pages because the skill mentions organizing personal-page information, and keep interactions manual and low-volume as the skill itself recommends.

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
  • Rogue AgentSelf-Modification, Session Persistence
  • 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
Findings (3)

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
87% confidence
Finding

The manifest description says to invoke the skill whenever there is a need to access or automate cloud-music-related content, but it does not define specific trigger phrases, scope boundaries, or exclusion cases. This makes activation ambiguous and could cause unintended invocation for ordinary music-related conversations.

Content

No source excerpt is available for this finding.

Natural-Language Policy Violations

Medium
Category
Not specified by scanner
Confidence
77% confidence
Finding

All user-facing natural-language content in the skill is written only in Chinese, and there is no indication that users may choose another language or that the language restriction is required by policy. Under the stated policy, forcing a specific language without user opt-in can be a locale-policy violation.

Content

No source excerpt is available for this finding.

Session Persistence

Medium
Category
Rogue Agent
Confidence
75% confidence
Finding

Skill establishes unauthorized persistence across sessions via cron jobs, startup scripts, or state files. Session persistence allows an attacker to maintain access beyond the current interaction.

Content

Scanner excerpt · SKILL.md (reported line 19)May include surrounding context.

md
关键入口

- 主页：https://music.163.com/
- 排行榜：https://music.163.com/#/discover/toplist
- 搜索入口：https://music.163.com/#/search

常见任务

Static analysis

No suspicious patterns detected.