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Security audit

Google News API

Security checks for vulnerabilities and agentic risk

Overview

This is a disclosed Google News API helper skill with proportionate external API use, though users should understand that queries and redirect URLs are sent to fetcher.sh.

Install only if you are comfortable using fetcher.sh as a paid third-party API. Avoid sending private, account-specific, or sensitive URLs to the decode endpoint, and store any FETCHER_API_KEY in normal secret/config storage rather than hardcoding it into shared files.

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
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • 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)

Missing User Warnings

Low
Category
Not specified by scanner
Confidence
87% confidence
Finding

The skill explicitly encourages sending user-provided Google News redirect URLs to a third-party decode endpoint but does not warn that submitted URLs may contain sensitive query parameters, tracking tokens, or user-specific links. This can cause unnecessary disclosure of user browsing targets or identifiers to the service operator, especially if an agent forwards arbitrary URLs without user awareness.

Content

No source excerpt is available for this finding.

Static analysis

Detected: suspicious.exposed_secret_literal

File appears to expose a hardcoded API secret or token.

Critical
Code
suspicious.exposed_secret_literal
Location
SKILL.md:39