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Security audit

Cn Bmi Calculator

Security checks for vulnerabilities and agentic risk

Overview

This is a simple local BMI calculator with minor localization and promotional-link issues, but no evidence of unsafe security behavior.

Review the Chinese promotional footer and external links before installing if publisher branding or non-English output matters to you. Security-wise, the artifact behaves like a local BMI calculator and does not request sensitive access.

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)

Natural-Language Policy Violations

Low
Confidence
95% confidence
Finding
The footer content switches to Chinese and presents marketing text and links without indicating that the skill is region-specific or giving the user a language/locale option. This can violate language/locale policy expectations because the skill otherwise appears to be an English-language general-purpose tool.

Natural-Language Policy Violations

Low
Confidence
89% confidence
Finding
The category labels embed Chinese strings directly in the program's output model, but the script provides no option for users to choose or opt into that locale. This can violate a language/locale policy when tools are expected to avoid forcing a specific language without user choice.

Static analysis

No suspicious patterns detected.