ClawHub
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Security audit

Yoast SEO Playbook

Security checks for vulnerabilities and agentic risk

Overview

This is a Markdown-only Yoast SEO guidance skill with no hidden execution, persistence, credential handling, or disproportionate authority.

Before installing, note that the skill defaults to Italian-first SEO copy for a Rilvo audience unless you ask otherwise. For live WordPress edits, review any paired content tool separately because this skill only provides the Yoast workflow guidance.

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
  • 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)

Natural-Language Policy Violations

Medium
Category
Not specified by scanner
Confidence
94% confidence
Finding

The skill states 'Unless the user states otherwise' and then sets 'Language: Italian-first', which imposes a locale/language preference by default. The policy for this audit allows language constraints only when the skill offers a user choice or explicit opt-in, which is not present here.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.