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Security audit

Guaikei Kuaishou Visible Content Fetcher

Security checks across malware telemetry and agentic risk

Overview

This skill coherently fetches public Kuaishou search, post, and comment data through a disclosed third-party API, with the main caution that results are saved locally by default.

Before installing, confirm you are comfortable sending Kuaishou keywords, profile/video URLs, and your GUAIKEI_API_TOKEN to the guaikei.com API. Review and delete the local logs/ output if the searches, comments, or competitor research are sensitive, since successful task results are retained locally by default.

A.I.G

By Tencent
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

By NVIDIA
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)

Missing User Warnings

Low
Confidence
88% confidence
Finding
The README states that all task results are automatically saved to the logs/ directory, but it does not warn users that saved data may include searched keywords, queried profile/video URLs, comment-analysis outputs, or other potentially sensitive business intelligence. In this skill's context, users are likely conducting competitor monitoring and marketing research, so silent persistence of these artifacts can create unintended local data exposure or retention risks.

VirusTotal

64/64 vendors flagged this skill as clean.

View on VirusTotal

Static analysis

Detected: suspicious.exposed_secret_literal

File appears to expose a hardcoded API secret or token.

Critical
Code
suspicious.exposed_secret_literal
Location
SKILL.md:15