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Security audit

Guaikei Kuaishou Public Data Fetcher

Security checks across malware telemetry and agentic risk

Overview

This skill coherently fetches public Kuaishou data through a disclosed third-party API and does not show account actions or hidden execution.

Install only if you are comfortable sending Kuaishou search terms, profile/video links, and task parameters to guaikei.com with your GUAIKEI_API_TOKEN. Review or delete generated logs if the queries or collected public data are business-sensitive.

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
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (2)

Context-Inappropriate Capability

Medium
Confidence
87% confidence
Finding
The package metadata presents the skill as a public-data analysis tool, but the exposed CLI scripts include active posting and commenting actions. This mismatch can mislead users and reviewers about the package’s real capabilities, increasing the risk of unintended account actions, spam, or misuse when the skill is installed or invoked in an automation context.

Missing User Warnings

Medium
Confidence
83% confidence
Finding
The README states that all task results are automatically saved to the logs/ directory, but it does not warn users that those logs may contain sensitive operational data such as searched keywords, competitor profile URLs, video links, and comment data. In a data-collection tool, silent persistence increases the chance of unintended retention, local exposure, accidental sharing, or inclusion in backups and source-control uploads.

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