web-vuln-scan

web-vuln-scan is a skill for Claude Code, Codex from wgpsec/AboutSecurity. It costs 98 tokens per session (1,505 once invoked), scanned A, original, no licence file.

A strategy for deeply scanning one known web application for security vulnerabilities. It combines software fingerprinting, automated checks, and manual testing.

In plain words
What is it for?
Authorized vulnerability assessments of a specific website or web application, including checks for remote code execution and SQL injection.
Why use it?
It helps focus testing on the confirmed target, prioritize serious findings, and distinguish this work from discovering an organization’s wider internet-facing assets.

Skill for Claude CodeCodex

Which agent this was written for is unclear — body not stored (licence); the path alone says nothing.

Good fit Authorized vulnerability assessments of a specific website or web application, including checks for remote code execution and SQL injection.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/wgpsec/aboutsecurity/web-vuln-scan
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add wgpsec/AboutSecurity --skill web-vuln-scan
Clone the repo
git clone --depth 1 https://github.com/wgpsec/AboutSecurity

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for web-vuln-scan

README.md
[![agentmods](https://agentmods.dev/badge/skills/wgpsec/aboutsecurity/web-vuln-scan.svg)](https://agentmods.dev/skills/wgpsec/aboutsecurity/web-vuln-scan)
Your own site
<a href="https://agentmods.dev/skills/wgpsec/aboutsecurity/web-vuln-scan"><img src="https://agentmods.dev/badge/skills/wgpsec/aboutsecurity/web-vuln-scan.svg" alt="Measured on agentmods" height="20"></a>
Per session 98 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,505 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
Origin unknown No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00098 $0.01505
Opus 5 $0.00049 $0.00753
Sonnet 5 $0.00020 $0.00301
Haiku 4.5 $0.00010 $0.00151

Measured 4d ago against content hash 395a456ff682, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

web-vuln-scan scanned grade A with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 4d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

curl -sI http://target | grep -i "Server\|X-Powered-By\|X-AspNet"
skills/exploit/web-method/web-vuln-scan/SKILL.md · 111 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

Files

What ships with it

3 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 4d ago First seen · 111 lines · 98 tokens per session scan A 395a456ff682

Subscribe to this mod's changes

web-vuln-scan is a skill published in the GitHub repository wgpsec/AboutSecurity (1,721 stars, last pushed 8d ago), with no licence file. It adds 98 tokens to every session and 1,505 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.

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