Security audit

Tianshu XHS Note

Security checks for vulnerabilities and agentic risk

Overview

This skill formats user-provided Xiaohongshu draft text locally and does not show hidden network, credential, persistence, or destructive behavior.

Installers should understand that any draft file path they provide will be read locally for formatting. The skill appears appropriate for non-sensitive social post drafts and does not require accounts, APIs, network access, or elevated permissions.

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)

Ae1

High

Category: analysis-evasion
Content: node scripts/pack_note.js --text "你的正文……"
Confidence: 100% confidence
Finding: Referenced artifact was not completely inspected

Static analysis

No suspicious patterns detected.