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Security audit

excel-clean

Security checks for vulnerabilities and agentic risk

Overview

This is a simple Excel-cleaning skill document with no bundled executable code, persistence, credential access, or hidden behavior.

Before installing, make sure you are comfortable with a Chinese-first skill description and only use it on Excel files you intend the agent to process. The artifact itself does not ship code, so any actual cleaning implementation should still be reviewed if added later.

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 (1)

Natural-Language Policy Violations

Low
Category
Not specified by scanner
Confidence
83% confidence
Finding

The title and summary text are presented primarily in Chinese, and the document does not state that users can choose another language or locale. The policy requires flagging language or locale constraints when they are imposed without user opt-in or justification.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.