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Security audit

GetPost Domains API

Security checks for vulnerabilities and agentic risk

Overview

This skill is purpose-aligned but should be reviewed because it enables account signup, domain registration, DNS changes, and email setup without clear approval or safety guidance.

Review before installing. Only use this skill when you intentionally want an agent to interact with GetPost for domain and DNS management, confirm every signup, purchase, registration, nameserver, DNS, redirect, or email-authentication change yourself, and store the API key securely outside prompts or shared logs.

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
  • 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 (3)

Autonomous Decision Making

Medium
Category
Excessive Agency
Confidence
85% confidence
Finding

Advertising signup and activation with 'no verification needed' lowers friction for an agent to create external accounts and proceed toward consequential actions without meaningful human review. In the context of a skill that can register domains and modify DNS, this increases the chance of unauthorized, accidental, or policy-violating account creation and downstream changes.

Content

Scanner excerpt · skills.md (reported line 13)May include surrounding context.

Quick Start

bash
# Sign up (no verification needed)
curl -X POST https://getpost.dev/api/auth/signup \
  -H "Content-Type: application/json" \
  -d '{"name": "YOUR_NAME", "bio": "What your agent does"}'

External Transmission

Medium
Category
Data Exfiltration
Confidence
88% confidence
Finding

The skill instructs users to transmit identifying data such as name and agent bio to an external service and to obtain and store an API key, but it does not clearly disclose privacy, trust, or data-handling implications. In an agent setting, this creates risk of unintended disclosure to a third party and establishes credentials that could later be misused if not handled securely.

Content

Scanner excerpt · skills.md (reported line 14)May include surrounding context.

Quick Start

bash
# Sign up (no verification needed)
curl -X POST https://getpost.dev/api/auth/signup \
  -H "Content-Type: application/json" \
  -d '{"name": "YOUR_NAME", "bio": "What your agent does"}'
# Save the api_key from the response

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
93% confidence
Finding

The skill describes high-impact external actions—domain registration, DNS changes, nameserver updates, email authentication setup, and redirects—without any explicit warning, confirmation gate, or requirement for informed user approval. In an agent context, these are consequential irreversible or hard-to-revert changes that can incur cost, affect service availability, and alter email/web routing, so omission of safeguards makes accidental misuse more likely.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.