White-Box Web App Penetration

@bhbhatia

Greetings of the day! I have gone through the shared description and it seems like you are looking for some pen-tester who can perform an assessment of the defined scope. I have been working with Big4 in the domain of Information Security. I hold an experience of 10+ year in the domain of Vulnerability Assessment & Penetration Testing. Below mentioned is a small description of my experience. I have delivered multiple engagements on areas such as Application Security Assessment, Network Architecture reviews, Vulnerability Assessment, Penetration Tests, Configuration Reviews, Mobile Application Security, Information Security Audits, GE Vendor Assessments, Cloud Security, Maturity Assessment, Phishing & Vishing Simulation, and Source Code Review. I have rendered these services to many global multinational organizations on both small one-time engagements as well as large-scale delivery projects. I have worked with clients across a range of industries, including Information Technology Services, Banking, Financial services(NHB & NBFC), E-commerce, KPO, Automotive, and BPO. I have all professional licensed tools to perform this engagement. List of the licensed tool is mentioned below BurpSuite Acunetix Nessus HPE Webinspect Fortify Kindly message me for sample report. Hope to hear back from you :-)

@zainulhassan1695

Hi, I can conduct a comprehensive white-box penetration test of your web application using the provided source code, architecture documentation, and admin-level access to identify vulnerabilities that may not appear in standard black-box testing. Approach: • Full code and architecture review to identify logic flaws, insecure configurations, and authentication/authorization weaknesses • Manual and automated testing using tools such as Burp Suite, OWASP ZAP, Nmap, and custom scripts • Deep testing of APIs, third-party integrations, session management, input validation, and business logic • Verification of vulnerabilities with proof-of-concept evidence Deliverables: • Penetration testing report (PDF) with reproduction steps, impact analysis, CVSS-based risk ratings, and prioritized remediation guidance • Proof-of-concept exploits or screenshots for critical/high vulnerabilities • Structured disclosure package prepared for submission to a government vulnerability database (e.g., CVE-style format), including clear vulnerability description and technical details The goal is to provide actionable findings while ensuring the documentation meets formal vulnerability disclosure standards. I’m ready to begin once access to the codebase and environment is provided.

@muhammadsm7

Hi, I'm a Cyber Security Researcher with practical experience gained through playing CTFs (Capture The Flag), engaging in Bug Bounties, and working as a Pentester. Notice: Don’t ask me to hack something u don’t OWN What I can do for you: Web/API/Android (OWASP TOP 10) Pentesting: You can also get this service from here: https://www.freelancer.com/service/web_security/web-app-penetration-test-owasp-top Lets Chat…

@kajal1992

Hello, I can conduct a comprehensive white-box penetration test of your in-house web application using the provided source code, architecture documentation, and admin-level access. With full visibility, I will focus on identifying logic flaws, insecure configurations, authentication issues, API vulnerabilities, and exploitable weaknesses that could lead to real-world attacks. My approach combines manual testing and automated security tools such as Burp Suite, OWASP ZAP, and Metasploit, along with targeted code review to uncover deeper security issues. Deliverables will include: A detailed penetration testing report with vulnerability descriptions, reproduction steps, risk ratings, and remediation guidance. Proof-of-concept evidence (screenshots or exploit demonstrations) for confirmed high/critical issues. A structured disclosure package prepared according to government vulnerability reporting standards, including a draft CVE description suitable for submission. I follow OWASP testing methodologies and responsible disclosure practices, ensuring findings are clearly documented and actionable for developers and security teams. Estimated bid: $500 - $700 depending on application size and complexity. Timeline can be finalized once access and scope details are confirmed. I’d be happy to discuss the application architecture and testing scope to begin the assessment. Best regards. Kajal Majhi Digital Forensic & Cyber Security Consultant

@mohjib092

Hi, I can perform a comprehensive white-box penetration test on your web application by reviewing the full codebase, testing APIs and integrations, validating vulnerabilities with tools like Burp Suite and OWASP ZAP, and preparing a professional report along with a disclosure package suitable for submission to the MITRE Corporation CVE program. Experience (1 line): I have experience conducting white-box web security testing aligned with OWASP Foundation methodologies and preparing structured vulnerability reports and responsible disclosure documentation.

@offensiumvault

We at Offensium Vault Private Limited (ISO 27001:2022 & ISO 9001:2015) can conduct a comprehensive white-box penetration test for your in-house web application. With full access to source code, architecture documentation, and admin credentials, our team will perform deep analysis to identify logic flaws, insecure configurations, and exploitable weaknesses. Scope • Full codebase and API review including third-party integrations • Identification of business-logic vulnerabilities, authentication flaws, injection risks, and misconfigurations • Manual + automated testing using tools such as Burp Suite, OWASP ZAP, Metasploit, and custom scripts • Secure review aligned with OWASP Testing Guide and PTES methodology Deliverables • Detailed penetration testing report (PDF) with risk ratings, reproduction steps, and remediation guidance • Proof-of-concept evidence (screenshots / request-response logs) for critical and high findings • Responsible disclosure package prepared for submission to relevant vulnerability repositories (CVE-style description, technical details, and impact summary) Approach Our assessments combine source-code review, manual exploitation testing, and secure architecture analysis to uncover vulnerabilities often missed by automated scanners. We can start immediately once scope and access are confirmed and will ensure the findings are well documented, reproducible, and suitable for coordinated vulnerability disclosure.

@makhoub

As an ethical hacker with vast experience in white-box web application penetration testing, I am Moctar. I pride myself on my meticulous approach to analyzing source codes that includes looking for logic flaws and insecure configurations. My varied toolkit includes the likes of Burp Suite, OWASP ZAP, Metasploit, and custom scripts which I can employ to execute a comprehensive manual and automated testing. Your requirement for disclosing vulnerabilities aligns perfectly with my expertise as I don't just find weaknesses, but also document them thoroughly and prepare a formal write-up suitable for submission to appropriate databases. Moreover, registering vulnerabilities in government databases is not new territory for me. I have a strong track record of successfully finding and disclosing vulnerabilities that led to the assignment of official CVEs. This demonstrates my ability not only to detect issues but also to craft an accurate vulnerability description for submission. My basic Python knowledge further enhances my suitability for the job as it allows me to automate tasks efficiently and handle large datasets when necessary. All these qualities coupled with my unwavering commitment to delivering high-quality work ahead of schedule makes me the perfect candidate for conducting your white-box web app penetration testing. Challenge accepted! Let's get started on securing your web application today!

@harixhere

Hi, I've heard you are looking for seasoned ethical Hacker, here I am. I have an over 4 years of experience in penetration testing with expertise in web application, api, and mobile application security. I will not only uncover issues but also to craft the correct disclosure package so the finding can be submitted and tracked according to policy. Scope: I will inspect all codebase, API's and third party integrations. I will use both automated and manual testing with the help of tools Burp Suite, Owasp ZAP, Nikto, fortify etc. I will provide a concise risk rating and remediation guidance for each confirmed vulnerability. I will prepare the formal write-up for submission to the relevant government CVE or equivalent repository, following their formatting guidelines. Reporting: I will give you Penetration testing report in pdf format with step by step mitigation and impact. I will provide proof of concept with screenshot for each findings. Let's connect for further communication. Best Regards, Mohd Haris

@muhammadaqib53

Hello, Your requirement for a white-box penetration test of your in-house web application aligns well with my cybersecurity background. Since you can provide source code, architecture documents, and admin access, I can perform a deep security assessment focused on discovering real exploitable vulnerabilities. I have experience with secure code review, API testing, and web penetration testing using tools such as Burp Suite, OWASP ZAP, and Metasploit, combined with manual testing to uncover logic flaws, authentication issues, and misconfigurations that automated scanners often miss. For your project, I will: • Perform full white-box security testing of the codebase, APIs, and integrations • Identify vulnerabilities such as injection flaws, authentication bypass, insecure access control, and configuration issues • Document step-by-step reproduction procedures for each finding • Provide risk ratings, impact analysis, and clear remediation guidance • Deliver proof-of-concept exploits or screenshots for critical/high vulnerabilities • Prepare a formal disclosure package ready for submission to Common Vulnerabilities and Exposures (CVE) or relevant government repositories You will receive a professional penetration testing report (PDF) with prioritized fixes to strengthen the application’s security before public exposure. I’m ready to begin once access and scope details are shared. Best regards, Muhammad Aqib Ali

@AlAbbass

I can perform a complete white-box penetration test for your web application. I have practical experience in vulnerability assessment, penetration testing, and network security using tools such as Burp Suite, Nessus, Nmap, Wireshark, and Kali Linux. I have tested web applications, identified security flaws, and provided clear remediation guidance in previous projects. With access to the source code and architecture, I will carefully analyze logic flaws, APIs, and configurations. I will deliver a detailed penetration testing report, proof-of-concept evidence, risk ratings, and a structured disclosure package ready for CVE or government database submission. Best regards, Ali Abbas

@fatimamahsud1

Hi, I’m an experienced web security tester and ethical hacker with a strong background in white-box penetration testing. I can thoroughly analyze your application’s source code, APIs, configurations, and third-party integrations to identify logic flaws, security misconfigurations, and exploitable vulnerabilities using tools like Burp Suite, OWASP ZAP, and custom scripts. I’ll provide a detailed penetration testing report with risk ratings, reproduction steps, and remediation guidance, along with proof-of-concept evidence. I can also prepare a formal vulnerability disclosure package aligned with CVE/government reporting standards to support proper submission and tracking.

@HackMySite

I would like to apply for this project as a penetration tester. I believe it is important to highlight that many offers in this category come from people outside the cybersecurity field (e.g. developers or designers) who limit “pentesting” to running free or automated scanners. This approach — regardless of whether the target is a staging or production environment — does not provide a real security assessment. It often results in low-quality reports filled with false positives and completely misses business-logic and context-based vulnerabilities that automated tools cannot detect. My work is based on manual analysis, real attack scenarios, and verification of vulnerabilities based on their actual impact on the system and the business. On my profile you will find verifiable certifications and documented findings from bug bounty programs, which demonstrate hands-on experience rather than tool-generated output. I encourage you to carefully review my profile, especially the sections covering certifications and bug bounty achievements, to get a clear picture of the quality and depth of the testing I provide

@raselazad

Hi, I have extensive experience in white‑box testing and preparing CVE‑ready disclosure packages. I can thoroughly assess your web application, uncover logic flaws, insecure configurations, and API vulnerabilities, and deliver a full report with remediation steps. My Approach -- Full visibility testing: review source code, architecture docs, and third‑party integrations with admin‑level access. -- Manual + automated analysis: Burp Suite, OWASP ZAP, custom scripts, and static analysis tools. -- Risk‑rated findings: CVSS scoring, reproduction steps, impact analysis, and prioritized fixes. -- Disclosure package: a complete, formatted submission for government CVE databases, including a suggested CVE description and supporting evidence. Why Me? -- Proven track record: successfully identified and reported multiple vulnerabilities that led to official CVE assignments. -- Relevant certifications: OSCP, OSWE, eWPTX. -- Sample reports and CVEs available on request. Timeline & Deliverables -- Full penetration test report (PDF) with proof‑of‑concept evidence. -- Government‑ready disclosure package. Timeframe: typically 2–3 weeks, depending on codebase size. I’m ready to sign an NDA and begin as soon as access is provided. Let’s connect to discuss scope and scheduling. Best regards, Rasel Co-Founder Cyber Shadow

@Cy2ril

Hi Your project aligns well with my experience conducting white box web application penetration tests and preparing structured vulnerability reports for responsible disclosure. Since you can provide source code architecture documentation and admin level credentials I will be able to perform a deep assessment focused on both technical vulnerabilities and logic flaws that are often missed during black box testing. My approach will include Full review of the codebase APIs authentication flows and third party integrations Manual testing combined with tools such as Burp Suite OWASP ZAP and custom scripts Identification of vulnerabilities including insecure configurations access control issues injection risks and logic weaknesses Clear documentation of reproduction steps attack scenarios and impact assessment Deliverables will include A comprehensive penetration testing report in PDF format with prioritized findings and fixes Proof of concept evidence for critical and high severity vulnerabilities A separate disclosure package formatted for submission to the appropriate government vulnerability repository including a suggested CVE style description I follow responsible disclosure practices and structure findings so they are suitable for formal vulnerability tracking and reporting. I would be happy to review the scope tech stack and timeline so we can plan the assessment effectively. Best regards

@loydm

Thank you for sharing the project details. A full white-box web application penetration test normally requires several days of work and typically exceeds the listed budget. However, within the $30–$250 range, I can provide a focused security review of specific components of your application. This could include targeted testing of a selected module, API endpoint, authentication flow, or a quick vulnerability assessment based on the source code you provide. I can perform manual testing combined with tools such as Burp Suite and OWASP ZAP, and provide a short report with identified vulnerabilities, risk assessment, and recommended remediation steps. If you would like a complete white-box penetration test with full reporting and disclosure preparation, we could discuss a larger engagement separately.

@dhruvt128

Hello, I can help perform a white-box penetration test on your web application. With access to the source code, architecture documents, and admin credentials, I can thoroughly analyze the application to identify logic flaws, insecure configurations, API vulnerabilities, and other security risks. My approach includes code review, manual and automated security testing, and validating vulnerabilities using tools such as Burp Suite, OWASP ZAP, Nmap, and custom testing scripts. I will document each finding clearly with reproduction steps, risk level, impact analysis, and recommended remediation for your development team. I will also prepare a professional penetration testing report with proof-of-concept evidence and assist in creating the disclosure package required for submission to a government vulnerability database (CVE or equivalent) following the proper format. I’m ready to begin once access to the application and documentation is provided. Best regards, Dhruv Patel