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Security audit

Guaikei Kuaishou Trending Video Fetcher

Security checks across malware telemetry and agentic risk

Overview

The skill coherently fetches public Kuaishou data through a disclosed third-party API, with the main caution that successful results are saved locally by default.

Install this only if you are comfortable sending Kuaishou search/profile/video inputs and your GUAIKEI_API_TOKEN to guaikei.com. Treat saved logs as potentially sensitive business or personal-data records, especially for comment exports, and delete or protect the logs directory when working on shared machines.

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 (3)

Missing User Warnings

Medium
Confidence
87% confidence
Finding
The README states that all task results are automatically saved to the `logs/` directory, but it does not clearly warn users that collected video/comment/account data may persist on disk and be accessible to other local users, backups, or downstream tooling. In a data-harvesting skill focused on competitor monitoring and comment analysis, silent retention increases privacy, compliance, and accidental disclosure risk even if the data is publicly sourced.

Missing User Warnings

Medium
Confidence
89% confidence
Finding
The CLI writes the full comment results to a local JSON file automatically after execution, but this file does not provide any clear user-facing disclosure or opt-in before persisting potentially sensitive scraped data. In a shared workstation, CI runner, or multi-user environment, this can create unintended local data retention and expose collected comments, URLs, and metadata to other users or later processes.

Missing User Warnings

Medium
Confidence
75% confidence
Finding
The script persists the full request and returned results to a local JSON file without any user consent, opt-out, or visibility beyond the source code. This can leak sensitive operational data, including queried profile identifiers and fetched results, into local storage where other users, backup systems, or log collectors may access it unexpectedly.

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