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Security audit

AgentBox Twitter

Security checks for vulnerabilities and agentic risk

Overview

This skill is a clearly disclosed paid Twitter/X research helper, with low-cost automatic API payments explained in the artifact.

Install only if you are comfortable with automatic $0.003 USDC payments for each API request. Keep limits and pagination deliberate, because repeated searches or cursor-based browsing can multiply the total cost.

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)

Missing User Warnings

Medium
Confidence
95% confidence
Finding
The skill causes automatic USDC micropayments on every API call, but the skill description does not prominently warn users that invoking it spends funds. This can lead to unintended financial charges, especially because pagination and exploratory use can trigger multiple paid requests in quick succession.

Static analysis

No suspicious patterns detected.