# Owasp Top 10

> OWASP Top 10 for Web Applications (2025) knowledge base for identifying, assessing, and remediating web application security risks.

- Skill: `microsoft/owasp-top-10` (Agent Skill)
- Install (CLI): `npx skillmds@latest add microsoft/owasp-top-10`
- Raw SKILL.md: https://api.skillmd.com/api/skills/microsoft/owasp-top-10/raw
- Safety review: pending (external: skill-scanner PASS, skillspector CAUTION)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Security
- License: CC-BY-SA-4.0
- Author: Microsoft (https://skillmd.com/u/microsoft)
- Updated: 2026-09-09
- Page: https://skillmd.com/skills/microsoft/owasp-top-10

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# OWASP® Top 10 — Skill Entry

This `SKILL.md` is the **entrypoint** for the OWASP Top 10 skill.

The skill encodes the **OWASP Top 10 for Web Applications (2025)** as structured, machine-readable
references that an agent can query to identify, assess, and remediate web application security
risks.

## Normative references (Web Top 10)

1. [00 Vulnerability Index](references/00-vulnerability-index.md)
2. [01 Broken Access Control](references/01-broken-access-control.md)
3. [02 Security Misconfiguration](references/02-security-misconfiguration.md)
4. [03 Software Supply Chain Failures](references/03-software-supply-chain-failures.md)
5. [04 Cryptographic Failures](references/04-cryptographic-failures.md)
6. [05 Injection](references/05-injection.md)
7. [06 Insecure Design](references/06-insecure-design.md)
8. [07 Authentication Failures](references/07-authentication-failures.md)
9. [08 Software or Data Integrity Failures](references/08-software-data-integrity-failures.md)
10. [09 Security Logging and Alerting Failures](references/09-security-logging-alerting-failures.md)
11. [10 Mishandling of Exceptional Conditions](references/10-mishandling-exceptional-conditions.md)

## Skill layout

* `SKILL.md` — this file (skill entrypoint).
* `references/` — the Web Top 10 normative documents.
  * `00-vulnerability-index.md` — index of all vulnerability identifiers, categories, and cross-references.
  * `01` through `10` — one document per vulnerability aligned with OWASP Web Application Security numbering.

## Third-Party Attribution

Copyright © OWASP Foundation.
OWASP® Top 10 (2025) content is derived from works by the OWASP Foundation, licensed
under CC BY-SA 4.0 (<https://creativecommons.org/licenses/by-sa/4.0/>).
Source: <https://owasp.org/Top10/2025/>
Modifications: Vulnerability descriptions restructured into agent-consumable reference
documents with added detection and remediation guidance.
OWASP® is a registered trademark of the OWASP Foundation. Use does not imply endorsement.