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Security audit

Google Analytics

Security checks for vulnerabilities and agentic risk

Overview

This skill is a straightforward Google Analytics integration guide that uses Maton's gateway and OAuth connections as disclosed.

Install only if you are comfortable routing Google Analytics requests through Maton's gateway and giving the skill access via MATON_API_KEY. Use a least-privilege Google account where possible, specify Maton-Connection when multiple connections exist, and manually confirm any Admin API create, update, patch, or delete operation before running it against production analytics properties.

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
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (5)

External Transmission

Medium
Category
Data Exfiltration
Confidence
60% 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 19)May include surrounding context.

bash
# List account summaries (Admin API)
curl -s -X GET "https://gateway.maton.ai/google-analytics-admin/v1beta/accountSummaries" -H "Authorization: Bearer $MATON_API_KEY"

# Run a report (Data API)
curl -s -X POST "https://gateway.maton.ai/google-analytics-data/v1beta/properties/{propertyId}:runReport" -H "Content-Type: application/json" -H "Authorization: Bearer $MATON_API_KEY" -d '{"dateRanges": [{"startDate": "30daysAgo", "endDate": "today"}], "dimensions": [{"name": "city"}], "metrics": [{"name": "activeUsers"}]}'

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
92% confidence
Finding

The skill documents Admin API operations that can create or otherwise modify Google Analytics configuration, but it does not clearly warn users that these actions change production analytics settings. In an agent context, that omission increases the chance of unintended administrative changes because users may treat the skill as read-only analytics access rather than a configuration-management capability.

Content

No source excerpt is available for this finding.

External Transmission

Medium
Category
Data Exfiltration
Confidence
60% 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 321)May include surrounding context.

md
);

// Run a report (Data API)
const report = await fetch(
  'https://gateway.maton.ai/google-analytics-data/v1beta/properties/123456:runReport',
  {
    method: 'POST',

External Transmission

Medium
Category
Data Exfiltration
Confidence
60% 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 351)May include surrounding context.

md
)

# Run a report (Data API)
report = requests.post(
    'https://gateway.maton.ai/google-analytics-data/v1beta/properties/123456:runReport',
    headers={'Authorization': f'Bearer {os.environ["MATON_API_KEY"]}'},
    json={

External Transmission

Medium
Category
Data Exfiltration
Confidence
70% 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 351)May include surrounding context.

md
)

# Run a report (Data API)
report = requests.post(
    'https://gateway.maton.ai/google-analytics-data/v1beta/properties/123456:runReport',
    headers={'Authorization': f'Bearer {os.environ["MATON_API_KEY"]}'},
    json={

Static analysis

Detected: suspicious.exposed_resource_identifier

Example code exposes a concrete connection_id instead of a placeholder.

Critical
Code
suspicious.exposed_resource_identifier
Location
SKILL.md:99