OffSec Web Expert (OSWE, WEB-300) Practice Test
Prepare for the OffSec Web Expert exam with free practice tests built around the real hands-on WEB-300 certification. Each test includes 20 questions with a proportional timer of about 5 hours to help you develop the patience, code-review discipline, exploit-development workflow, and reporting precision needed for advanced white-box web assessments.
Mixed Set — OffSec Web Expert (OSWE, WEB-300) Practice Tests
These mixed sets pull questions from the major WEB-300 learning areas, including white-box methodology, source code review, advanced vulnerability discovery, custom exploit development, and professional reporting. They are designed to reflect how the real OSWE expects you to combine analysis, exploitation, and documentation instead of solving isolated theory questions.
Domain Wise — OffSec Web Expert (OSWE, WEB-300) Mock Tests
Use these targeted topic-wise tests to focus on one WEB-300 skill area at a time. Each mock test contains 20 questions built around a single white-box web testing discipline so you can sharpen weak areas before moving back to full mixed practice.
About the OffSec Web Expert (OSWE) Certification Exam
Everything you need to know about WEB-300, the OSWE exam, eligibility expectations, and why white-box application security skills matter for advanced offensive security work.
What Is the OSWE?
The OffSec Web Expert (OSWE) is the certification aligned to WEB-300, OffSec’s Advanced Web Attacks and Exploitation course. OffSec describes WEB-300 as an advanced white-box web application security course that teaches students to exploit and secure web apps by reviewing source code, understanding application logic, and developing custom exploits in realistic environments.
OSWE is best suited for penetration testers, application security engineers, red teamers, exploit developers, security researchers, and experienced web assessors who want to move beyond black-box testing into deep source-assisted vulnerability research. It is especially valuable for professionals who need to find subtle logic flaws, review unfamiliar codebases, and explain root causes clearly in reports.
OffSec’s live WEB-300 materials position the course as a deep technical program that emphasizes methodology-driven testing, source code analysis, and exploit development. This makes OSWE particularly relevant for roles centered on secure code review, advanced web testing, and offensive AppSec consulting.
Exam Format (2026)
Testing method: Practical, proctored white-box web application assessment exam.
Exam/course code: WEB-300 leading to the OSWE certification.
Exam environment: A private VPN with a small number of vulnerable systems in a live network simulation.
Duration: 47 hours 45 minutes for the exam, plus 24 hours to upload the required report.
Question style: Practical exploitation objectives and reporting requirements rather than multiple-choice questions.
Passing score: At least 85 points out of 100.
Resources allowed: Open book, including notes and online resources, subject to OffSec exam restrictions.
Training price: Course + Cert Bundle is listed at $1,749 with 90 days of access and 1 exam attempt, while Learn One is $2,749 per year with 1 year of access and 2 exam attempts.
Eligibility Requirements
Formal prerequisite: None listed publicly for sitting the exam.
Recommended background: OffSec recommends familiarity with Linux, networking, Bash or Python scripting, web application pentesting, and source code review. Comfort with reading code and writing small custom tools is especially useful.
Report requirement: You must submit a professional report that documents your exploitation process and explains the vulnerabilities clearly enough for validation.
Retake policy: OffSec says all exams have a cooling-off period. Its current retake policy states 4 weeks after a first failed exam, 8 weeks after a second failed exam, and 12 weeks after a third failed exam onward.
Exam validity model: Exam-attempt validity depends on the OffSec product purchased, such as Course + Cert Bundle or Learn One.
OSWE Objective Weights — WEB-300 Practice Mapping
OffSec publicly explains the WEB-300 course scope and the OSWE exam format, but it does not publish a public percentage-weight table for the practical objectives on the surfaced official pages. Because your page uses five domain-wise tests, the table below uses an even practice mapping across those five topic groups so mixed sets remain balanced and predictable.
| Objective | Topic | Practice Weight |
|---|---|---|
| D1 | White-Box Pentesting Methodology | 20% |
| D2 | Source Code Review | 20% |
| D3 | Advanced Web Vulnerability Discovery | 20% |
| D4 | Custom Exploit Development | 20% |
| D5 | Security Reporting | 20% |
How Our Practice Tests Are Designed
Built around the official WEB-300 scope — OffSec describes WEB-300 as an advanced white-box web application security course, so these practice tests emphasize source-driven analysis, code review, exploitation logic, and reporting rather than generic web trivia. :contentReference[oaicite:1]{index=1}
Timer matched to the real exam pace — The live OSWE exam gives you 47 hours and 45 minutes for a small number of targets in a private VPN. That works out to a long-form, endurance-based assessment style, so each 20-question practice set is timed at about 5 hours to build sustained analytical focus. This timing is an inference based on the official exam duration and practical format. :contentReference[oaicite:2]{index=2}
White-box attacker mindset — The real exam expects you to identify, exploit, and report on complex vulnerabilities, culminating in custom exploit development. These practice sets therefore reward reasoning about code paths, trust boundaries, exploit reliability, and root-cause analysis. :contentReference[oaicite:3]{index=3}
Reporting matters — OffSec requires a post-exam report upload, so the question style is designed to reinforce disciplined note-taking, evidence capture, and clear explanation of the vulnerability and exploit chain. :contentReference[oaicite:4]{index=4}
OSWE Exam Preparation Tips
Study Strategy
Read code every day: OSWE preparation is much stronger when you regularly trace unfamiliar application logic, routes, controllers, data access, and authorization checks instead of only solving black-box labs.
Practice writing small custom tooling: WEB-300 rewards people who can script helpers, adapt payloads, and automate repetitive tasks when manual analysis reveals a viable exploit path.
Focus on methodology over payload memorization: The exam is about finding subtle bugs in real applications. Strong candidates know how to reason from source code to vulnerability to proof, not just remember canned attacks.
Test-Taking Strategy
Plan the long exam window: With 47 hours and 45 minutes plus 24 hours for report upload, decide in advance how you will pace analysis, exploitation, breaks, sleep, and final documentation. :contentReference[oaicite:5]{index=5}
Document while you work: Waiting until the end to reconstruct your steps is risky. Capture proof, screenshots, vulnerable code references, and remediation notes as soon as you confirm a finding.
Use open-book access wisely: Since the exam is open book, organize your notes and references so you can quickly retrieve framework behavior, syntax, and methodology without losing momentum. :contentReference[oaicite:6]{index=6}
Frequently Asked Questions
Ready to Test Your OSWE Skills?
Start with a mixed set to measure your readiness, then use topic-wise tests to sharpen the exact white-box skills you need for WEB-300.
Start OffSec OSWE Practice Test 1 →
