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Security audit

Text Stats

Security checks for vulnerabilities and agentic risk

Overview

This skill is a local text-analysis utility that reads user-selected documents and reports statistics without network access, persistence, or hidden behavior.

Installers should expect the skill to read any document path they explicitly pass to it. Avoid running it on sensitive files unless you are comfortable with their contents being processed locally in the current Codex session, and treat English readability scores as English-only metrics.

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 (2)

Missing User Warnings

Low
Confidence
82% confidence
Finding
This code opens and reads an arbitrary path provided by the user, which is a file-access operation covered by the warning requirement for code files. While the tool's purpose suggests text analysis, there is no confirmation prompt, explicit warning comment, or user-facing disclosure near the file read explaining that local file contents will be accessed.

Natural-Language Policy Violations

Low
Confidence
76% confidence
Finding
The natural-language docstring says 'Rough English syllable count,' and later comments label readability as 'English-focused,' indicating language-specific behavior. This can be a locale/language policy concern because the skill applies English-centric analysis by default without explicit user opt-in or a documented language-selection mechanism.

Static analysis

No suspicious patterns detected.