Top 100 Web Vulnerabilities Reference

21.8k

davila7

This skill should be used when the user asks to "identify web application vulnerabilities", "explain common security flaws", "understand vulnerability categories", "learn about injection attacks", "review access control weaknesses", "analyze API security issues", "assess security misconfigurations", "understand client-side vulnerabilities", "examine mobile and IoT security flaws", or "reference the OWASP-aligned vulnerability taxonomy". Use this skill to provide comprehensive vulnerability definitions, root causes, impacts, and mitigation strategies across all major web security categories.

Top 100 Web Vulnerabilities Reference

3.5k

zebbern

This skill should be used when the user asks to "identify web application vulnerabilities", "explain common security flaws", "understand vulnerability categories", "learn about injection attacks", "review access control weaknesses", "analyze API security issues", "assess security misconfigurations", "understand client-side vulnerabilities", "examine mobile and IoT security flaws", or "reference the OWASP-aligned vulnerability taxonomy". Use this skill to provide comprehensive vulnerability definitions, root causes, impacts, and mitigation strategies across all major web security categories.

backend-development

1.8k

mrgoonie

Build robust backend systems with modern technologies (Node.js, Python, Go, Rust), frameworks (NestJS, FastAPI, Django), databases (PostgreSQL, MongoDB, Redis), APIs (REST, GraphQL, gRPC), authentication (OAuth 2.1, JWT), testing strategies, security best practices (OWASP Top 10), performance optimization, scalability patterns (microservices, caching, sharding), DevOps practices (Docker, Kubernetes, CI/CD), and monitoring. Use when designing APIs, implementing authentication, optimizing database queries, setting up CI/CD pipelines, handling security vulnerabilities, building microservices, or developing production-ready backend systems.

owasp-zap-security

376

a5c-ai

Deep integration with OWASP ZAP for automated security scanning, vulnerability detection, and API security testing. Execute spider and active scans, analyze alerts, generate security reports, and integrate with CI/CD pipelines.

agentic-security-threat-modeling

253

Anshumanbh Securevibes Agentic Security

Identify agentic AI security threats based on OWASP Top 10 for Agentic Applications 2026. Use when analyzing AI agents, LLM-powered applications, chatbots, auto-reply systems, tool-using AI, browser automation, sandbox execution, or any application that uses AI/LLM APIs (Anthropic, OpenAI, Claude, GPT) to process user input and take actions.

security-fundamentals

143

DanielPodolsky

Reviews security including OWASP Top 10, input validation, auth. Use when junior builds login, authentication, stores passwords, handles user input, API keys, JWT tokens, or asks "is this secure".

owasp-security

109

hoodini

Implement secure coding practices following OWASP Top 10. Use when preventing security vulnerabilities, implementing authentication, securing APIs, or conducting security reviews. Triggers on OWASP, security, XSS, SQL injection, CSRF, authentication security, secure coding, vulnerability.

security-patterns

95

korallis

Implement comprehensive security patterns to protect applications against OWASP Top 10 vulnerabilities including XSS, CSRF, SQL injection, authentication bypass, and data exposure. Use when handling user data, implementing authentication and authorization, validating input, encrypting sensitive data, preventing injection attacks, securing API endpoints, managing sessions and tokens, implementing rate limiting, configuring security headers, or building security-critical features that require defense-in-depth protection.

reviewing-security

82

ryuichi1208

OWASP API Security Top 10 (2023) と Rust セキュリティベストプラクティス。脆弱性検出。Use when: セキュリティ、脆弱性、OWASP、認証、認可、監査を依頼された時。

owasp-security-check

74

sergiodxa

Security audit guidelines for web applications and REST APIs based on OWASP Top 10 and web security best practices. Use when checking code for vulnerabilities, reviewing auth/authz, auditing APIs, or before production deployment.

api-spectral

64

AgentSecOps

API specification linting and security validation using Stoplight's Spectral with support for OpenAPI, AsyncAPI, and Arazzo specifications. Validates API definitions against security best practices, OWASP API Security Top 10, and custom organizational standards. Use when: (1) Validating OpenAPI/AsyncAPI specifications for security issues and design flaws, (2) Enforcing API design standards and governance policies across API portfolios, (3) Creating custom security rules for API specifications in CI/CD pipelines, (4) Detecting authentication, authorization, and data exposure issues in API definitions, (5) Ensuring API specifications comply with organizational security standards and regulatory requirements.

dast-nuclei

64

AgentSecOps

Fast, template-based vulnerability scanning using ProjectDiscovery's Nuclei with extensive community templates covering CVEs, OWASP Top 10, misconfigurations, and security issues across web applications, APIs, and infrastructure. Use when: (1) Performing rapid vulnerability scanning with automated CVE detection, (2) Testing for known vulnerabilities and security misconfigurations in web apps and APIs, (3) Running template-based security checks in CI/CD pipelines with customizable severity thresholds, (4) Creating custom security templates for organization-specific vulnerability patterns, (5) Scanning multiple targets efficiently with concurrent execution and rate limiting controls.

dast-zap

64

AgentSecOps

Dynamic application security testing (DAST) using OWASP ZAP (Zed Attack Proxy) with passive and active scanning, API testing, and OWASP Top 10 vulnerability detection. Use when: (1) Performing runtime security testing of web applications and APIs, (2) Detecting vulnerabilities like XSS, SQL injection, and authentication flaws in deployed applications, (3) Automating security scans in CI/CD pipelines with Docker containers, (4) Conducting authenticated testing with session management, (5) Generating security reports with OWASP and CWE mappings for compliance.

security-auditor

51

pavel-molyanov

Comprehensive security analysis against OWASP Top 10 standards. Use after code-reviewer for code handling: authentication, user input, database queries, external APIs. AUTOMATIC TRIGGER - Invoke when user says ANY of: "проверь безопасность", "security audit", "найди уязвимости", "check security" Do NOT use for: general code review (use code-reviewer), testing (use test-reviewer)

pact-security-patterns

48

ProfSynapse

Security best practices and threat mitigation patterns for PACT framework development. Use when: implementing authentication or authorization, handling API credentials, integrating external APIs, processing sensitive data (PII, financial, health), reviewing code for vulnerabilities, or enforcing SACROSANCT security rules. Triggers on: security audit, credential handling, OWASP, auth flows, encryption, data protection, backend proxy pattern, frontend credential exposure.

security-auditor

43

curiositech

Security vulnerability scanner and OWASP compliance auditor for codebases. Dependency scanning (npm audit, pip-audit), secret detection (high-entropy strings, API keys), SAST for injection/XSS vulnerabilities, and security posture reports. Activate on 'security audit', 'vulnerability scan', 'OWASP', 'secret detection', 'dependency check', 'CVE', 'security review', 'penetration testing prep'. NOT for runtime WAF configuration (use infrastructure tools), network security/firewalls, or compliance certifications like SOC2/HIPAA (legal/organizational).

api-security

37

jefflester

API security best practices and common vulnerability prevention. Enforces security checks for authentication, input validation, SQL injection, XSS, and OWASP Top 10 vulnerabilities. Use when building or modifying APIs.

software-security-appsec

34

vasilyu1983

Modern application security patterns aligned with OWASP Top 10:2025 (final), OWASP API Security Top 10 (2023), NIST SSDF, zero trust (incl. NSA ZIGs 2026), supply chain security (SBOM), passkeys/WebAuthn, authentication, authorization, input validation, cryptography, plus security ROI, breach cost modeling, and compliance-driven enterprise sales.

security-audit

31

bybren-llc

RLS validation, security audits, OWASP compliance, and vulnerability scanning. Use when validating RLS policies, auditing API routes, or scanning for security issues.

API Security

31

melodic-software

Comprehensive API security guidance covering authentication methods, rate limiting, input validation, CORS, security headers, and protection against OWASP API Top 10 vulnerabilities. Use when designing API authentication, implementing rate limiting, configuring CORS, setting security headers, or reviewing API security.

security

29

omer-metin

One breach = game over. Threat modeling, OWASP Top 10, secure coding, security architecture, zero trust. The complete security skill for protecting your application from day one. Security isn't a feature you add later - it's a mindset that shapes every decision. This skill covers application security, not infrastructure security. Use when "security, owasp, xss, sql injection, csrf, authentication, authorization, secrets, api key, vulnerability, secure coding, security headers, rate limiting, input validation, sanitize, escape, security, owasp, authentication, authorization, vulnerabilities, secure-coding" mentioned.

api-security

29

hardw00t

Comprehensive API security testing skill for REST, GraphQL, gRPC, and WebSocket APIs. This skill should be used when performing API penetration testing, testing for OWASP API Top 10 vulnerabilities, fuzzing API endpoints, testing authentication/authorization, and analyzing API specifications. Triggers on requests to test API security, pentest REST APIs, test GraphQL endpoints, analyze OpenAPI/Swagger specs, or find API vulnerabilities.

api-security-checker

25

armanzeroeight

Audit API security for OWASP Top 10 vulnerabilities, authentication issues, and authorization flaws. Use when securing APIs, fixing security vulnerabilities, or implementing security best practices.

api-expert

25

martinholovsky

Expert API architect specializing in RESTful API design, GraphQL, gRPC, and API security. Deep expertise in OpenAPI 3.1, authentication patterns (OAuth2, JWT), rate limiting, pagination, and OWASP API Security Top 10. Use when designing scalable APIs, implementing API gateways, or securing API endpoints.

fastapi-expert

25

martinholovsky

Expert FastAPI developer specializing in production-ready async REST APIs with Pydantic v2, SQLAlchemy 2.0, OAuth2/JWT authentication, and comprehensive security. Deep expertise in dependency injection, background tasks, async database operations, input validation, and OWASP security best practices. Use when building high-performance Python web APIs, implementing authentication systems, or securing API endpoints.

api-security-review

24

thomast1906

Reviews Azure API Management configurations for security vulnerabilities, OWASP API Security Top 10 compliance, VNet Internal mode validation, Private Link verification, and Azure Security Benchmark alignment. Use when performing security audits, pre-deployment validation, or compliance reviews.

security

23

mrlm-xyz

API security expertise including authentication, authorization, OWASP compliance, and vulnerability detection.

Security Engineer

17

daffy0208

Implement security best practices across the application stack. Use when securing APIs, implementing authentication, preventing vulnerabilities, or conducting security reviews. Covers OWASP Top 10, auth patterns, input validation, encryption, and security monitoring.

security-architect

15

oimiragieo

Security architecture and threat modeling. OWASP Top 10 2025 analysis, OWASP Agentic AI Top 10 (ASI01-ASI10), AI/LLM security patterns, supply chain security, modern API authentication (OAuth 2.1, DPoP, Passkeys/WebAuthn), vulnerability assessment, and security review for code and infrastructure.

Top 100 Web Vulnerabilities Reference

14

zebbern

This skill should be used when the user asks to "identify web application vulnerabilities", "explain common security flaws", "understand vulnerability categories", "learn about injection attacks", "review access control weaknesses", "analyze API security issues", "assess security misconfigurations", "understand client-side vulnerabilities", "examine mobile and IoT security flaws", or "reference the OWASP-aligned vulnerability taxonomy". Use this skill to provide comprehensive vulnerability definitions, root causes, impacts, and mitigation strategies across all major web security categories.

backend-development

12

samhvw8

Production backend systems development. Stack: Node.js/TypeScript, Python, Go, Rust | NestJS, FastAPI, Django, Express | PostgreSQL, MongoDB, Redis. Capabilities: REST/GraphQL/gRPC APIs, OAuth 2.1/JWT auth, OWASP security, microservices, caching, load balancing, Docker/K8s deployment. Actions: design, build, implement, secure, optimize, deploy, test APIs and services. Keywords: API design, REST, GraphQL, gRPC, authentication, OAuth, JWT, RBAC, database, PostgreSQL, MongoDB, Redis, caching, microservices, Docker, Kubernetes, CI/CD, OWASP, security, performance, scalability, NestJS, FastAPI, Express, middleware, rate limiting. Use when: designing APIs, implementing auth/authz, optimizing queries, building microservices, securing endpoints, deploying containers, setting up CI/CD.

dast-scanning

10

BagelHole

Perform dynamic application security testing with OWASP ZAP, Burp Suite, and Nikto. Test running applications for security vulnerabilities through automated and manual testing. Use when testing web applications, APIs, or performing penetration testing.

security-reviewer

10

materialofair

Security vulnerability detection specialist. Use PROACTIVELY after writing code that handles user input, authentication, API endpoints, or sensitive data. Detects OWASP Top 10 vulnerabilities, secrets, and unsafe patterns.

review-security

9

ssiumha

Reviews code for security vulnerabilities. Use when implementing auth, handling user input, adding APIs, or before deployment. Checks OWASP Top 10, credentials, injection.

Security Testing

9

KiranEswaran

Security best practices (OWASP Top 10) and testing strategies for software development. Covers secure coding, vulnerability prevention, the testing pyramid, API design, and observability patterns. Use when reviewing code for security, writing tests, designing APIs, or asking about security vulnerabilities, testing strategies, logging, or monitoring.

testing-web-applications

5

trilwu

Test web applications for security vulnerabilities including SQLi, XSS, command injection, JWT attacks, SSRF, file uploads, XXE, and API flaws. Use when pentesting web apps, analyzing authentication, or exploiting OWASP Top 10 vulnerabilities.

security-review

5

troykelly

MANDATORY for security-sensitive code changes - OWASP-based security review with dedicated checklist, required before PR for auth, input handling, API, database, or credential code

Top 100 Web Vulnerabilities Reference

5

agent-skills-hub

This skill should be used when the user asks to "identify web application vulnerabilities", "explain common security flaws", "understand vulnerability categories", "learn about injection attacks", "review access control weaknesses", "analyze API security issues", "assess security misconfigurations", "understand client-side vulnerabilities", "examine mobile and IoT security flaws", or "reference the OWASP-aligned vulnerability taxonomy". Use this skill to provide comprehensive vulnerability definitions, root causes, impacts, and mitigation strategies across all major web security categories.

backend-development

4

hoadh

Build backends with Node.js, Python, Go (NestJS, FastAPI, Django). Use for REST/GraphQL/gRPC APIs, auth (OAuth, JWT), databases, microservices, security (OWASP), Docker/K8s.

security-best-practices

4

Jonathan0823

Security best practices, OWASP guidelines, secure coding patterns, and vulnerability prevention. Use when implementing authentication, handling user input, securing APIs, managing secrets, or reviewing code for security vulnerabilities.

security-review

4

heskew

Performs security reviews of Hone code using OWASP guidelines. Use when reviewing database queries, CSV import logic, API endpoints, authentication, encryption, or when the user asks about security.

backend-development

3

zircote

Build robust backend systems with modern technologies (Node.js, Python, Go, Rust), frameworks (NestJS, FastAPI, Django), databases (PostgreSQL, MongoDB, Redis), APIs (REST, GraphQL, gRPC), authentication (OAuth 2.1, JWT), testing strategies, security best practices (OWASP Top 10), performance optimization, scalability patterns (microservices, caching, sharding), DevOps practices (Docker, Kubernetes, CI/CD), and monitoring. Use when designing APIs, implementing authentication, optimizing database queries, setting up CI/CD pipelines, handling security vulnerabilities, building microservices, or developing production-ready backend systems.

pt-web-application-assessment

3

santosomar

Performs authorized web application and API penetration testing with focus on OWASP-style risks and business logic flaws. Use when assessing websites, web APIs, authentication flows, session handling, and input validation.

pentest-api-attacker

3

0x-Professor

Test APIs against OWASP API Security Top 10 including discovery, auth abuse, and protocol-specific checks.

performing-api-rate-limiting-bypass

2

mukul975

Tests API rate limiting implementations for bypass vulnerabilities by manipulating request headers, IP addresses, HTTP methods, API versions, and encoding schemes to circumvent request throttling controls. The tester identifies rate limit headers, determines enforcement mechanisms, and attempts bypasses including X-Forwarded-For spoofing, parameter pollution, case variation, and endpoint path manipulation. Maps to OWASP API4:2023 Unrestricted Resource Consumption. Activates for requests involving rate limit bypass, API throttling evasion, brute force protection testing, or API abuse prevention assessment.

integrating-dast-with-owasp-zap-in-pipeline

2

mukul975

This skill covers integrating OWASP ZAP (Zed Attack Proxy) for Dynamic Application Security Testing in CI/CD pipelines. It addresses configuring baseline, full, and API scans against running applications, interpreting ZAP findings, tuning scan policies, and establishing DAST quality gates in GitHub Actions and GitLab CI.

security-audit-codebase

2

pjt222

Perform a security audit of a codebase checking for exposed secrets, vulnerable dependencies, injection vulnerabilities, insecure configurations, and OWASP Top 10 issues. Use before publishing or deploying a project, for periodic security reviews, after adding authentication or API integration, before open-sourcing a private repository, or when preparing for a security compliance audit.

testing-api-for-mass-assignment-vulnerability

2

mukul975

Tests APIs for mass assignment (auto-binding) vulnerabilities where clients can modify object properties they should not have access to by including additional parameters in API requests. The tester identifies writable endpoints, adds undocumented fields to request bodies (role, isAdmin, price, balance), and checks if the server binds these to the data model without filtering. Part of OWASP API3:2023 Broken Object Property Level Authorization. Activates for requests involving mass assignment testing, parameter binding abuse, auto-binding vulnerability, or API over-posting.