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Security audit

Wechat

Security checks for vulnerabilities and agentic risk

Overview

This skill is a simple WeChat public-page summarization guide with clear limits against login, messaging, or private content access.

Installers should treat this as a public WeChat page summarization helper only. Do not use it for account login, messaging, private chats, restricted group content, or permission bypass, and prefer giving it public URLs or explicit public-page extraction tasks.

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
  • 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
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (1)

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
91% confidence
Finding

The trigger description is broad enough to activate on many generic WeChat-related requests, not just the narrowly intended public-page summarization use cases. This can cause the agent to invoke the skill in inappropriate contexts, increasing the chance of over-collection, confusing task routing, or accidental attempts to handle sensitive/private WeChat actions despite the later textual limitations.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.