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Security audit

Competitor Finder

Security checks for vulnerabilities and agentic risk

Overview

This skill is a disclosed competitor-finding helper that uses expected third-party search and AI APIs, with some input-validation and locale-limit caveats but no hidden or destructive behavior.

Before installing, confirm you are comfortable sending brand names and domains to SerpAPI, DataForSEO, and potentially OpenAI, and add input validation plus structured output validation if this will process untrusted brand/domain values or feed automated reports.

A.I.G

Vulnerability Patterns
  • Insecure Skill Coding PracticesFinds exploitable flaws such as hardcoded secrets or command injection
  • 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
Findings (1)

T09 · Insecure Skill Coding Practices

Warning
Location
SKILL.md:95
Finding

Prompt Injection Through Unvalidated Brand and Domain Inputs

Content
View full analysis
Remediation
View remediation

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 (2)

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 41)May include surrounding context.

md
### Secondary: DataForSEO
- **API Name:** DataForSEO Competitor Domain API
- **Endpoint:** `https://api.dataforseo.com/v3/dataforseo_labs/google/competitors_domain/live`
- **Auth:** `DATAFORSEO_LOGIN` + `DATAFORSEO_PASSWORD` environment variables
- **Cost estimate:** ~$0.01 per request
- **Rate limits:** Depends on plan; free tier allows 100 requests/month

Natural-Language Policy Violations

Medium
Category
Not specified by scanner
Confidence
94% confidence
Finding

The DataForSEO request fixes language_code to en and location_code to the United States, which imposes a specific language/locale behavior for all uses of the skill. The document does not offer user choice or explain why the skill must be restricted to English/US only, so this is a natural-language policy violation under the locale/language rule.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.