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Security audit

中考短文填空识别与格式化

Security checks for vulnerabilities and agentic risk

Overview

This skill formats Chinese exam cloze images into documents or Feishu outputs, with no hidden code or persistence found.

Before using Feishu output, check that the uploaded images and generated text are appropriate to share to the selected Feishu destination, especially if they contain student information, unpublished exam content, or copyrighted material.

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
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • 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)

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
92% confidence
Finding

The skill instructs the agent to push generated documents and table links to Feishu, which is an external system, but it does not require explicit user confirmation or provide any warning that OCR-extracted content will be transmitted off-platform. Because the skill processes uploaded images that may contain student data, copyrighted materials, or other sensitive text, silent exfiltration to Feishu creates a real data-disclosure risk.

Content

No source excerpt is available for this finding.

Natural-Language Policy Violations

Low
Category
Not specified by scanner
Confidence
84% confidence
Finding

The manifest description specifies the skill entirely in Chinese and frames the interaction around a Chinese exam use case without indicating that users may choose another language. Under the policy, forcing a specific language without opt-in can be a natural-language policy violation unless the locale restriction is explicitly justified.

Content

No source excerpt is available for this finding.

Natural-Language Policy Violations

Low
Category
Not specified by scanner
Confidence
82% confidence
Finding

The sample prompt and expected fallback output are specified entirely in Chinese, including the required marker "未提供". This can amount to a language/locale policy constraint if the skill is used in broader contexts, because no alternative language option or user opt-in is provided.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.