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Security audit

Leo X Post

Security checks for vulnerabilities and agentic risk

Overview

This skill is meant to post to X, but its trigger and credential/posting flow are too loosely scoped for a public posting action.

Review this carefully before installing. Only use it with an explicit posting request, do not provide unnecessary secrets, and require the agent to show the exact post content and receive confirmation before publishing to X.

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
Vulnerability Patterns
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Trigger AbuseOverly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
  • 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)

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
92% confidence
Finding

The trigger description uses broad phrasing like '或类似', which can cause the assistant to invoke the posting skill in ambiguous situations. In a skill that can publish content to an external social platform, vague triggering increases the risk of unintended posting or accidental credential-handling flows.

Content

No source excerpt is available for this finding.

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
95% confidence
Finding

This skill handles outbound transmission of user-provided content and API credentials to X-related tooling, but the description does not warn users that their text, attachments, and authentication material may be sent to external APIs. Without a clear disclosure, users may unknowingly expose sensitive content or secrets, especially because social posting is irreversible once published.

Content

No source excerpt is available for this finding.

Natural-Language Policy Violations

Low
Category
Not specified by scanner
Confidence
76% confidence
Finding

The skill documentation is entirely in Chinese and does not indicate that users may choose another language or locale. If this skill is intended for broader use, that can constitute a language-policy issue because the locale is effectively fixed without an explicit opt-in or justification.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.