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Security audit

Hype Shorts Remix

Security checks for vulnerabilities and agentic risk

Overview

This skill is a disclosed short-video creation tool that uses local media processing and an optional APIsRouter account for paid generation.

Install only if you are comfortable giving the agent local media files and, for generated shots, an APISROUTER_API_KEY exposed through the host secret facility. Review pricing and the planned number of generation requests before submitting, and keep job receipt files private because they may contain signed result URLs.

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
  • MCP Least PrivilegeUnderdeclared Capability, Wildcard Permission, Missing Permission Declaration
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (6)

Ae1

High
Category
analysis-evasion
Confidence
100% confidence
Finding

Referenced artifact was not completely inspected

Content

Scanner excerpt · SKILL.md (reported line 37)May include surrounding context.

md
reference, use `scripts/media.mjs inspect` and actually inspect its sampled frames/contact

Ae1

High
Category
analysis-evasion
Confidence
100% confidence
Finding

Referenced artifact was not completely inspected

Content

Scanner excerpt · SKILL.md (reported line 49)May include surrounding context.

md
reference, use `scripts/media.mjs inspect` and actually inspect its sampled frames/contact

Undeclared Tool Scope

Medium
Category
MCP Least Privilege
Confidence
94% confidence
Finding

The skill declares operational capabilities that include environment access, local file handling, and network use, but it does not explicitly constrain tool scope with a permissions or allowed-tools declaration. In a skill that references an API key in environment variables and performs external requests plus local rendering, this increases the risk that an agent could access sensitive data or use network/file capabilities more broadly than intended.

Content

No source excerpt is available for this finding.

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · references/setup.md (reported line 41)May include surrounding context.

md
import { dirname, resolve } from 'node:path';
import { pathToFileURL } from 'node:url';

export const API_BASE_URL = 'https://api.apisrouter.com/v1';
const VIDEO_SPECS = {
  'seedance-2.0-fast': { seconds: 4, resolution: '480p', ratio: '16:9' },
  'seedance-2.5': { seconds: 4, resolution: '480p', ratio: '16:9' },

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · release.json (reported line 15)May include surrounding context.

json
import { dirname, resolve } from 'node:path';
import { pathToFileURL } from 'node:url';

export const API_BASE_URL = 'https://api.apisrouter.com/v1';
const VIDEO_SPECS = {
  'seedance-2.0-fast': { seconds: 4, resolution: '480p', ratio: '16:9' },
  'seedance-2.5': { seconds: 4, resolution: '480p', ratio: '16:9' },

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · scripts/generate.mjs (reported line 7)May include surrounding context.

js
import { dirname, resolve } from 'node:path';
import { pathToFileURL } from 'node:url';

export const API_BASE_URL = 'https://api.apisrouter.com/v1';
const VIDEO_SPECS = {
  'seedance-2.0-fast': { seconds: 4, resolution: '480p', ratio: '16:9' },
  'seedance-2.5': { seconds: 4, resolution: '480p', ratio: '16:9' },

Static analysis

Detected: suspicious.dangerous_exec

Shell command execution detected (child_process).

Critical
Code
suspicious.dangerous_exec
Location
scripts/media.mjs:29