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Security audit

Poster Style Generator

Security checks for vulnerabilities and agentic risk

Overview

This skill is a straightforward poster-image prompt helper with no code, install steps, persistence, or hidden data access.

Install this if you want a Chinese-language poster style helper for image generation. Be aware it fixes defaults such as gpt-image-2, JPEG output, and 1536x2048 size, and it is not written as a multilingual workflow.

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
  • 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
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
Findings (1)

Natural-Language Policy Violations

Medium
Category
Not specified by scanner
Confidence
90% confidence
Finding

The skill metadata and instructions are written entirely in Chinese and describe the workflow as if the skill operates in Chinese by default, with no indication that users may choose another language. This can violate language/locale policy when a skill implicitly enforces a specific language without opt-in.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.