{"researcher":{"id":"144d7abf-409f-4034-b289-484595da4b14","identityUuid":"9995bc41-4a99-42a1-afd7-3c55c1f8fdae","avatar":"https://profiles.bugcrowdusercontent.com/avatars/c61918ddeb8414180f00432623038701/normal_Tux.jpg","banner_image":null,"username":"r_vd_l","rank":"1356th","accent_color":"#ff0000","accuracy":"97.9%","biography":"Working as a full-time lead penetration tester, and doing part-time bug bounty hunting. Trying to make the internet a safer place by testing manually to identify bugs that automation lacks the context to find or understand. ### Certifications - OSCP - OSWE - CRTO - Currently enrolled in OSEP ### CVEs - CVE-2021-45435","verified":true,"country":"Netherlands","country_flag":"🇳🇱","total_points":304,"priority_percentile_charts":{"polar_chart":"PHN2ZyB2aWV3Qm94PSIwIC0yIDEyMC4wIDEyMC4wIiB3aWR0aD0iMTAwJSIg aGVpZ2h0PSIxMDAlIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9z dmciPgoKPHBvbHlnb24gcG9pbnRzPSI2MC4wMDAwMDAwMDAwMDAwMSwwLjAg MTE3LjA2MzM5MDk3NzcwOTIyLDQxLjQ1ODk4MDMzNzUwMzE2IDk1LjI2NzEx NTEzNzU0ODM5LDEwOC41NDEwMTk2NjI0OTY4NSAyNC43MzI4ODQ4NjI0NTE2 MiwxMDguNTQxMDE5NjYyNDk2ODUgMi45MzY2MDkwMjIyOTA3ODE1LDQxLjQ1 ODk4MDMzNzUwMzE2NCIgZmlsbD0iI2ViZWJlYiIgc3Ryb2tlPSJyZ2JhKDAs IDAsIDAsIDAuMSkiLz4KPHBvbHlnb24gcG9pbnRzPSI2MC4wMDAwMDAwMDAw MDAwMDI2ODE5NzY0OTAxMzI3MDM1MDgsMTYuMiAxMDEuNjU2Mjc1NDEzNzI3 NzIzMyw0Ni40NjUwNTU2NDYzNzczMDM4OCA2MC4wMDAwMDAwMDAwMDAwMSw2 MC4wIiBmaWxsPSIjZmY2OTAwIi8+Cjxwb2x5Z29uIHBvaW50cz0iMTA3LjM2 MjYxNDUxMTQ5ODY0NDMsNDQuNjEwOTUzNjgwMTI3NjE5NDggODkuMjcxNzA1 NTY0MTY1MTYwMzgsMTAwLjI4OTA0NjMxOTg3MjM4NTUgNjAuMDAwMDAwMDAw MDAwMDEsNjAuMCIgZmlsbD0iI2YwYWQ0ZSIvPgo8cG9seWdvbiBwb2ludHM9 Ijg5LjYyNDM3NjcxNTU0MDY0NDI0LDEwMC43NzQ0NTY1MTY0OTczNTQgMzAu Mzc1NjIzMjg0NDU5MzYwOCwxMDAuNzc0NDU2NTE2NDk3MzU0IDYwLjAwMDAw MDAwMDAwMDAxLDYwLjAiIGZpbGw9IiM1ZWFlMDAiLz4KPHBvbHlnb24gcG9p bnRzPSIzMS4wODA5NjU1ODcyMTAzMjg0LDk5LjgwMzYzNjEyMzI0NzQxNyAx My4yMDgwMTkzOTgyNzg0NDI4OCw0NC43OTYzNjM4NzY3NTI1OTI4NCA2MC4w MDAwMDAwMDAwMDAwMSw2MC4wIiBmaWxsPSIjMDI3OGI4Ii8+Cjxwb2x5Z29u IHBvaW50cz0iMTYuMDYxMTg4OTQ3MTYzOTAzNjgsNDUuNzIzNDE0ODU5ODc3 NDM0NzQgNTkuOTk5OTk5OTk5OTk5OTkxNTEzMTk3NjgxOTA4ODQ2MDIsMTMu OCA2MC4wMDAwMDAwMDAwMDAwMSw2MC4wIiBmaWxsPSIjZDEzNTM1Ii8+Cjxw b2x5Z29uIHBvaW50cz0iNjAuMCwxNS4wIDEwMi43OTc1NDMyMzMyODE5MSw0 Ni4wOTQyMzUyNTMxMjczNjYgODYuNDUwMzM2MzUzMTYxMjksOTYuNDA1NzY0 NzQ2ODcyNjMgMzMuNTQ5NjYzNjQ2ODM4NzEsOTYuNDA1NzY0NzQ2ODcyNjMg MTcuMjAyNDU2NzY2NzE4MDg2LDQ2LjA5NDIzNTI1MzEyNzM3IiBmaWxsPSJy Z2JhKDI1NSwgMjU1LCAyNTUsIDApIiBzdHJva2U9InJnYmEoMCwgMCwgMCwg MC4xKSIvPgo8cG9seWdvbiBwb2ludHM9IjYwLjAsMzAuMCA4OC41MzE2OTU0 ODg4NTQ2MSw1MC43Mjk0OTAxNjg3NTE1OCA3Ny42MzM1NTc1Njg3NzQyLDg0 LjI3MDUwOTgzMTI0ODQzIDQyLjM2NjQ0MjQzMTIyNTgwNiw4NC4yNzA1MDk4 MzEyNDg0MyAzMS40NjgzMDQ1MTExNDUzOSw1MC43Mjk0OTAxNjg3NTE1OCIg ZmlsbD0icmdiYSgyNTUsIDI1NSwgMjU1LCAwKSIgc3Ryb2tlPSJyZ2JhKDAs IDAsIDAsIDAuMSkiLz4KPHBvbHlnb24gcG9pbnRzPSI2MC4wLDQ1LjAgNzQu MjY1ODQ3NzQ0NDI3Myw1NS4zNjQ3NDUwODQzNzU3OSA2OC44MTY3Nzg3ODQz ODcxLDcyLjEzNTI1NDkxNTYyNDIyIDUxLjE4MzIyMTIxNTYxMjksNzIuMTM1 MjU0OTE1NjI0MjIgNDUuNzM0MTUyMjU1NTcyNjk1LDU1LjM2NDc0NTA4NDM3 NTc5IiBmaWxsPSJyZ2JhKDI1NSwgMjU1LCAyNTUsIDApIiBzdHJva2U9InJn YmEoMCwgMCwgMCwgMC4xKSIvPgo8L3N2Zz4K ","bar_chart_percentiles":[{"label":"P1 - 77th","value":"77"},{"label":"P2 - 73rd","value":"73"},{"label":"P3 - 83rd","value":"83"},{"label":"P4 - 84th","value":"84"},{"label":"P5 - 82nd","value":"82"}],"bar_chart_label":"All-time"},"priority_percentile_90_day_charts":null,"website":"https://kuiilsec.github.io/blog/","default_avatar":false,"biography_html":"

Working as a full-time lead penetration tester, and doing part-time bug bounty hunting. Trying to make the internet a safer place by testing manually to identify bugs that automation lacks the context to find or understand.

Certifications

OSCP
OSWE
CRTO
Currently enrolled in OSEP

CVEs

CVE-2021-45435

","external_links":[{"name":"twitter","label":"Twitter","url":"https://twitter.com/KuiilSec"},{"name":"linkedin","label":"Linkedin","url":"https://www.linkedin.com/in/rjtvanderlinden/"},{"name":"website","label":"Website","url":"https://kuiilsec.github.io/blog/"}],"connected_applications":[{"id":"7a386a44-63d0-44e5-b17a-989a9c461e08","provider":"github","profile_info":{"user_id":46752038,"profile_url":"https://github.com/RensvdLinden"},"tooltip_info":"GitHub - RensvdLinden"},{"id":"4e72b920-d98f-4e28-a373-6b26c2f50f7d","provider":"stackoverflow","profile_info":{"user_id":17586964,"profile_url":"https://stackoverflow.com/users/17586964/r-vd-l"},"tooltip_info":"Stack Overflow - r_vd_l"}],"profile_public":true,"researcherFriendsUrl":"/settings/researcher_friends","researcherFriendedUrl":"/settings/researcher_friends/friended","researcherBlockerUrl":"/settings/researcher_blocked_users"},"crowdStreamPreviewData":[{"logo_url":"https://logos.bugcrowdusercontent.com/logos/13a5/c1ee/7624f625/29a746eeb7538a2c124904dde8ea4b32_rapyd.jpeg","logo_color":"ffffff","engagement_name":"Rapyd","engagement_code":"rapyd","engagement_in_progress":true,"engagement_path":"/engagements/rapyd","visibility_public":true,"researcher_username":"r_vd_l","researcher_profile_path":"/r_vd_l","crowdstream_name_visible":true,"amount":"$250","points":10,"crowdstream_amount_visible":true,"id":"d04094c3-4f02-4a1d-a342-230b9c85a414","disclosed":null,"priority":3,"substate":"unresolved","created_at":"2025-03-20T07:44:02.323Z","accepted_at":"25 Mar 2025","claimed_at":null,"closed_at":null,"target":null,"is_pinned":false,"submission_state_text":"Submission accepted","submission_state_date_text":"Accepted on 25 Mar 2025"}],"avatarUploadUrl":"/settings/avatar","bannerUploadUrl":"/researcher_profile/banners","crowdStreamDataUrl":"/researcher_profile/crowdstream/144d7abf-409f-4034-b289-484595da4b14","achievementsDataUrl":"/researcher_profile/achievements/144d7abf-409f-4034-b289-484595da4b14","statisticsDataUrl":"/researcher_profile/statistics/144d7abf-409f-4034-b289-484595da4b14","profileSettingsUrl":null,"bioUpdateUrl":"/researcher_profile/users","publicView":true,"dateRanges":{"All time":{"name":"All time","start_date":"2021-11-26","end_date":"2025-04-16","active":false},"Year-to-date":{"name":"Year-to-date","start_date":"2025-01-01","end_date":"2025-04-16","active":false},"Last 90 days":{"name":"Last 90 days","start_date":"2025-01-16","end_date":"2025-04-16","active":false},"Current month":{"name":"Current month","start_date":"2025-04-01","end_date":"2025-04-16","active":false}},"showAchievements":true,"showCrowdstream":true,"blankStateProps":{"hasValidSubmissions":true,"hasPendingSubmissions":false},"researcherPortfolioProps":{"connectedApplications":[{"id":"7a386a44-63d0-44e5-b17a-989a9c461e08","user_display_name":"RensvdLinden","updated_at":"2021-12-04T09:59:44.274Z","url":"/connected_applications/7a386a44-63d0-44e5-b17a-989a9c461e08","provider_key":"github","provider_name":"GitHub","provider_type":"Developer"},{"id":"4e72b920-d98f-4e28-a373-6b26c2f50f7d","user_display_name":"r_vd_l","updated_at":"2021-12-04T09:58:42.636Z","url":"/connected_applications/4e72b920-d98f-4e28-a373-6b26c2f50f7d","provider_key":"stackoverflow","provider_name":"Stack Overflow","provider_type":"Developer"}],"connectableApplications":{"github":{"provider":"github","provider_display_name":"GitHub","authorize_url":"/connected_applications/github/authorize","authorization_type":"oauth","application_type":"Developer"},"stackoverflow":{"provider":"stackoverflow","provider_display_name":"Stack Overflow","authorize_url":"/connected_applications/stackoverflow/authorize","authorization_type":"oauth","application_type":"Developer"},"pentesterlab":{"provider":"pentesterlab","provider_display_name":"PentesterLab","authorize_url":"/connected_applications","authorization_type":"pentesterlab","application_type":"Infosec"}},"profileWidgetsPath":"/profile_widgets","pentesterWidgetBatchUpdatePath":"/profile_widgets/batch_update_pentesterlab","portfolioAccountsPath":"/settings/profile/portfolio_accounts"},"csrfToken":"tNu7hkdu2dUJc3VaPIL6Hs5SsHQTXt-6Hhf1EyWkQjq1Lh5tHZ_9i5kPwJKTpHRRcWgLoqx5y1KoppeJpr4fpg","preferred_timezone":"Etc/UTC"}

r_vd_l

Filters