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Security audit

Stock Screener

Security checks for vulnerabilities and agentic risk

Overview

This is a disclosed stock research helper with financial-analysis cautions, but it does not install code, seek credentials, persist, or take actions on accounts.

Before installing, understand that this skill can produce detailed financial research that may sound authoritative. Treat outputs as informational only, verify current figures from primary sources, and do not use it as the sole basis for investment decisions.

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 (2)

Vague Triggers

Medium
Confidence
95% confidence
Finding
The trigger description is extremely broad and covers many ordinary investing-related queries, which can cause the skill to activate in situations where the user did not clearly ask for a full stock-screening workflow. That increases the chance of unsolicited investment analysis being injected into general conversations, potentially influencing financial decisions without clear user intent or appropriate framing.

Missing User Warnings

Medium
Confidence
89% confidence
Finding
Although the skill later says not to give investment advice and includes a disclaimer in the output template, it lacks a prominent up-front warning that generated analysis may be incomplete, stale, or unsuitable for a user's circumstances. In a financial context, this makes the skill more dangerous because users may over-trust detailed, institutional-sounding output and act on it as de facto advice.

Static analysis

No suspicious patterns detected.