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Security audit

Wechat Summary

Security checks for vulnerabilities and agentic risk

Overview

This skill is a simple WeChat conversation summarizer with no executable code, persistence, or hidden data movement.

Install this if you want help summarizing WeChat threads and drafting replies. Be mindful that any chat content you ask the agent to process may be included in the summary context, especially for private or sensitive conversations.

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
93% confidence
Finding

The description is broad enough to overlap with ordinary chat-assistant behavior, such as summarizing conversations, extracting action items, deciding whether to reply, and drafting responses. That can cause unintended or overly frequent activation in contexts beyond explicit WeChat-summary requests, increasing the chance that private message content is processed when the user did not clearly intend to invoke this skill.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.