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Security audit

Reddit Researcher

Security checks for vulnerabilities and agentic risk

Overview

This markdown-only skill gives disclosed Reddit API research instructions with optional OAuth credentials and no hidden execution or persistence.

Before installing, understand that your research queries and optional OAuth credentials are used with Reddit, and outputs may include public usernames, comments, and quotes. Use a dedicated Reddit app/account as the skill recommends, protect REDDIT_CLIENT_SECRET and access tokens, avoid sensitive personal-data research without review, and respect Reddit rate limits and terms.

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
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
Findings (4)

Credential Access

High
Category
Privilege Escalation
Confidence
70% confidence
Finding

Code accesses credential files (SSH keys, AWS credentials, etc.). This could indicate credential theft attempts.

Content

Scanner excerpt · skill.md (reported line 104)May include surrounding context.

OAuth Access (Recommended):

bash
# Get access token
curl -X POST https://www.reddit.com/api/v1/access_token \
  -H "User-Agent: $REDDIT_USER_AGENT" \
  --basic -u "$REDDIT_CLIENT_ID:$REDDIT_CLIENT_SECRET" \

Credential Access

High
Category
Privilege Escalation
Confidence
70% confidence
Finding

Code accesses credential files (SSH keys, AWS credentials, etc.). This could indicate credential theft attempts.

Content

Scanner excerpt · skill.md (reported line 111)May include surrounding context.

OAuth Access (Recommended):

bash
# Get access token
curl -X POST https://www.reddit.com/api/v1/access_token \
  -H "User-Agent: $REDDIT_USER_AGENT" \
  --basic -u "$REDDIT_CLIENT_ID:$REDDIT_CLIENT_SECRET" \

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 22)May include surrounding context.

md
required: false
    description: Custom user agent string (e.g., "ResearchBot/1.0 by u/username")
tools:
  - curl
  - jq
---

Missing User Warnings

Low
Category
Not specified by scanner
Confidence
82% confidence
Finding

This markdown file describes searching posts, reading comments, and fetching user profile submissions, but it does not explicitly warn users that the skill processes public user-generated content and may include usernames or quoted comments in outputs. For markdown files, privacy-affecting behavior should be disclosed when the skill may analyze identifiable community data.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.