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Security audit

Dexscreener API

Security checks for vulnerabilities and agentic risk

Overview

This skill is a disclosed, read-only DexScreener market-data helper with no credential handling, trading, persistence, or hidden local modification behavior.

Before installing, be aware that the skill can make network requests to DexScreener and that setting DEXSCREENER_BASE_URL can redirect those requests. Use the default API URL unless you intentionally trust another endpoint.

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
  • MCP Least PrivilegeUnderdeclared Capability, Wildcard Permission, Missing Permission Declaration
  • 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
Findings (1)

Lp3

Medium
Category
MCP Least Privilege
Confidence
83% confidence
Finding
The skill invokes a local Node CLI and documents network access plus an environment-variable-controlled base URL, but it does not declare any explicit tool scope such as permissions or allowed-tools. This weakens least-privilege guarantees and makes the skill's actual capabilities less transparent to the host, increasing the chance of unintended network or environment access if the script behavior changes or is misused.

Static analysis

Detected: suspicious.env_credential_access, suspicious.secret_argv_exposure

Environment variable access combined with network send.

Critical
Code
suspicious.env_credential_access
Location
scripts/dexscreener-cli.mjs:3

Instructions pass high-value credentials through process argv.

Critical
Code
suspicious.secret_argv_exposure
Location
SKILL.md:48