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Security audit

Musecard

Security checks for vulnerabilities and agentic risk

Overview

This skill is a disclosed creative assistant for making vertical quote-card illustration prompts and does not show hidden execution, data access, persistence, or exfiltration behavior.

Install this if you want a Chinese-oriented creative prompt assistant for social-media illustration cards. Be aware that it may activate for broad quote-card or illustration requests, and image generation may send prompt content to the configured image provider.

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
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Trigger AbuseOverly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
  • 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 (3)

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
95% confidence
Finding

The trigger metadata is very broad, covering generic requests like creating illustrations, quote cards, and social-media graphics without narrow activation boundaries. This can cause the skill to activate in unintended contexts, increasing the chance that users are routed into this skill when they expected a different workflow or safety posture, though the content here is primarily creative rather than directly dangerous.

Content

No source excerpt is available for this finding.

Natural-Language Policy Violations

Medium
Category
Not specified by scanner
Confidence
91% confidence
Finding

The prompt includes fixed Chinese text to be rendered in the image: "人生没有 Ctrl + Z，但代码可以。" This imposes a specific language/locale in the skill content without any opt-in, alternative language handling, or documented regional justification.

Content

No source excerpt is available for this finding.

Natural-Language Policy Violations

Low
Category
Not specified by scanner
Confidence
88% confidence
Finding

The instruction to 'always use the same language as the user' imposes a language behavior unconditionally. Under the stated policy, language or locale constraints should either offer user choice or be clearly justified; this line does not provide an opt-in or exception.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.