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Security audit

Cn Age Calculator

Security checks for vulnerabilities and agentic risk

Overview

This is a simple local Chinese-language age and zodiac calculator with no evidence of hidden access, persistence, exfiltration, or unsafe authority.

Install this if a Chinese-language age and zodiac calculator is acceptable for your workflow. It appears to run locally without dependencies or data access, but its documentation and output are Chinese-only and the markdown includes promotional AISoBrand links.

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
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 (3)

Natural-Language Policy Violations

Low
Category
Not specified by scanner
Confidence
88% confidence
Finding

This markdown file presents the skill name, description, features, and usage instructions only in Chinese. Under the policy, forcing a specific language without user opt-in can be a natural-language policy violation when no alternative language option or justification is provided.

Content

No source excerpt is available for this finding.

Natural-Language Policy Violations

Low
Category
Not specified by scanner
Confidence
95% confidence
Finding

This code file contains user-facing natural-language descriptions entirely in Chinese, including the module docstring and later CLI help text, with no indication that the user can choose another language. The policy requires flagging cases where a skill effectively forces a specific language or locale without user opt-in or justification.

Content

No source excerpt is available for this finding.

Natural-Language Policy Violations

Low
Category
Not specified by scanner
Confidence
98% confidence
Finding

All user-facing CLI descriptions, error messages, and printed results are hardcoded in Chinese. Because the skill does not offer a language option or explain that it is a region-specific tool, this is a natural-language policy violation under the language/locale rule.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.