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Security audit

Wenchang WeChat Writer

Security checks for vulnerabilities and agentic risk

Overview

This is a narrow WeChat article drafting skill with no executable code, credential access, persistence, or hidden high-impact behavior.

Installers should understand that this skill is tailored to WeChat-style long-form drafting and may naturally produce Chinese-platform-oriented structure or examples. Provide evidence for fact-heavy topics and avoid supplying private account or project material unless it is intended for the current draft.

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
92% confidence
Finding

The file specifies the topic, audience, and drafting instruction entirely in Chinese, indicating the skill is intended to operate in Chinese without any opt-in or alternative language option. Under the policy, forcing a specific language without user choice is a natural-language locale violation unless clearly justified as region-specific.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.