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WEB-300: Advanced Web Attacks and Exploitation

WEB-300: Advanced Web Attacks and Exploitation

OffSec’s Advanced Web Attacks and Exploitation (WEB-300) course dives deep into the latest web application penetration testing methodologies and techniques. Learners gain extensive hands-on experience in a self-paced environment, designed to elevate their skills in ethical hacking, vulnerability discovery, and exploit development.

Successful completion of the online training course and challenging exam earns the OffSec Web Expert (OSWE) certification. This web application security certification validates expertise in advanced web application security testing, including bypassing defenses and crafting custom exploits to address critical vulnerabilities, making certified professionals an asset for securing any organization against web-based threats.

OSWE Certification Badge

Starting at $1,749

Advanced Web Attacks and Exploitation Syllabus

  • JavaScript Prototype Pollution

    Explore how attackers manipulate JavaScript’s prototype inheritance model to inject malicious data, compromise application logic, and even achieve remote code execution.

  • Advanced Server-Side Request Forgery (SSRF)

    Delve into advanced techniques for exploiting SSRF vulnerabilities, including bypassing filters, accessing internal resources, and exploiting complex application architectures.

  • Web Security Tools and Methodologies

    Master a variety of cutting-edge web security tools and methodologies, including fuzzing, static analysis, dynamic analysis, and manual code review.

  • Source Code Analysis

    Learn how to analyze source code to identify security vulnerabilities, understand the application’s logic, and uncover potential attack vectors.

  • Persistent Cross-Site Scripting

    Discover how attackers store malicious code on a web server to launch persistent XSS attacks, targeting multiple users over time.

  • Session Hijacking

    Learn how attackers take over user sessions, potentially gaining unauthorized access to sensitive information and functionality.

  • .NET Deserialization

    Understand the risks associated with deserialization in .NET applications and how attackers can exploit these vulnerabilities to achieve remote code execution.

  • Remote Code Execution

    Explore various techniques used by attackers to execute arbitrary code on a target web server, often leading to complete compromise of the system.

  • Blind SQL Injection

    Learn how to exploit SQL injection vulnerabilities even when there is no direct feedback from the application, using various techniques to infer information and compromise the database.

  • Data Exfiltration

    Understand how attackers extract sensitive data from web applications, including through SQL injection, XXE attacks, and compromised file uploads.

How to enroll

Most
popular

Course + Certification Exam Bundle

Course + Cert
Exam Bundle

$1,749

One-time payment

More information

# of Courses

1

Days of lab access

90

# of Exam attempts included

1

PEN-103 & KLCP Exam

Exam not included

Best
value

Learn One

Learn
One

$2,749/year

Billed annually*

More information

# of Courses

1

Days of lab access

365

# of Exam attempts included

2

Fundamental content

Unlimited

Fundamental learning paths and assessments

Included

PEN-103 & KLCP Exam

Included

PEN-210 & OSWP Exam

Included

All
access

Learn Unlimited

Learn
Unlimited

$6,099/year

Billed annually*

More information

Recommended # of learners

2-9

# of Exam attempts included

Unlimited

Subscription Term

Annual

OffSec Learning Library Access

All access

Labs for every course

Included

# of Courses

All

Days of lab access

365

Fundamental content

Unlimited

PEN-103 & KLCP Exam

Included

PEN-210 & OSWP Exam

Included

# of Courses

1

1

All

Days of lab access

90

365

365

# of Exam attempts included

1

2

Fundamental content

N/A

PEN-103 & KLCP Exam

Exam not included

Included

Included

PEN-210 & OSWP Exam

N/A

Included

Included

N/A

Included

Included

Once started, 90 day lab access cannot be paused.

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What our community is saying

DeAnne Roseen

DeAnne Roseen

Application Security Engineer

So grateful to have the opportunity to train for [and] pass this certification. I'm happy to say it sharpened my skills as an AppSec engineer.

Stepan Sojka

Stepan Sojka

Full Stack Developer, Ryanair

I am happy to announce that I passed OffSec's (in)famous 48-hour long exam and obtained the Offensive Security Web Expert (OSWE) certification. It is an excellent course. I'd recommend this to any full-stack developer who wants to get better at what they do.

Khalil Abdul-Karym Thiero

Khalil Abdul-Karym Thiero

Cybersecurity Consultant, It4

As always, OffSec did a great job. The course and the exam were well designed. I highly recommend it for developers and also for anyone doing audits in white box mode.


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Supercharge your cybersecurity career with the OSWE

Become an in-demand cybersecurity professional

  • Master advanced web attacks with hands-on training

    Go beyond the fundamentals and develop the specialized skills needed to uncover and exploit complex vulnerabilities in modern web applications. Learn from experienced professionals through practical exercises and lab environments.

  • Prove your web penetration testing expertise

    The OSWE certification showcases your mastery of advanced web security testing techniques, including API security, cloud security, and bypassing modern defenses. OSWE-certified professionals are highly sought after in the cybersecurity field.

  • Become a certified application security engineer

    Sharpen your web app penetration testing skills and explore a wide range of advanced exploitation techniques. Expand your knowledge of web security tools, attack methodologies, and mitigation strategies.

  • Take your penetration testing career to the next level

    Advance into specialized roles such as senior penetration tester, security architect, or vulnerability researcher by demonstrating your mastery of web application security testing.

  • Build a reputation as a web security expert

    The OSWE certification is globally recognized as a mark of distinction in the cybersecurity industry, opening doors to new career opportunities and demonstrating your commitment to staying ahead of evolving threats.

Open doors to exciting cybersecurity roles

  • Senior Web Application Penetration Tester

    Lead security assessments, conduct advanced penetration testing, and guide remediation efforts for complex web applications.

  • Security Architect

    Design and implement secure architectures for web applications, ensuring that security is baked into the development process from the start.

  • Vulnerability Researcher

    Uncover and analyze new web application vulnerabilities, contribute to the security community by sharing your findings, and help build more secure software.

  • Security Consultant (Web Application Focus)

    Provide expert guidance to organizations on securing their web applications, conducting comprehensive risk assessments, and developing tailored security strategies.

  • Product Security Engineer

    Work with development teams to identify and fix security flaws in web applications throughout the software development lifecycle.

WEB-300 FAQ

OffSec Web Application Assessment Courses & Certifications

Advance your cybersecurity career with OffSec

  • Begin your journey

    Establish a strong foundation in web application security with the Web Application Assessment Essentials Learning Path and the Foundational Web Application Assessments with Kali Linux (WEB-200) course.

  • Expand your web application penetration testing expertise

    Deepen your understanding of advanced web attacks and exploitation techniques with the Advanced Web Attacks and Exploitation (WEB-300) course. Learn to tackle complex vulnerabilities, bypass modern defenses, and create custom exploits.

  • Hone your web security skills

    Enhance your web security knowledge and capabilities by practicing in OffSec’s virtual labs and exploring resources that focus on advanced penetration testing techniques, secure coding practices, and cloud-native security.

  • Become a web application security expert

    Advance into specialized roles like senior penetration tester, security architect, or vulnerability researcher by mastering the art of web application security testing.

Start learning with OffSec

Most
popular

Course + Cert
Exam Bundle

$1,749/once

The bundle includes 90 days of access to a single course, the associated labs and a single exam attempt.

Buy now
Best
value

Learn
One

$2,749/year*

One year of lab access alongside a single course plus two exam attempts.

Buy now
All
access

Learn
Unlimited

$6,099/year*

Unlimited OffSec Learning Library access plus unlimited exam attempts for one year.

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