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JavaScript Code Review

The JavaScript Code Review Badge is our badge dedicated to security code review in JavaScript. It covers the discovery of weaknesses and vulnerabilities using source code review.

31 exercises

Patch Review Exercises

Easy
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CVE-2020-XX079
  • This challenge covers the review of a CVE in a javascript codebase and its patch
  • Completed by 88 students
  • Takes < 1 Hr. on average
  • javascript

Easy
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CVE-2021-437XX
  • This challenge covers the review of a CVE in a JavaScript codebase and its patch
  • Completed by 76 students
  • Takes -- on average
  • JavaScript

Easy
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CVE-2021-X27X0
  • This challenge covers the review of a CVE in a JavaScript codebase and its patch
  • Completed by 61 students
  • Takes -- on average
  • JavaScript

Coming soon
Easy
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CVE-2022-XX785
  • This challenge covers the review of a CVE in a javascript codebase and its patch
  • Takes -- on average
  • javascript

Easy
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CVE-2024-X170X
  • This challenge covers the review of a CVE in a JavaScript codebase and its patch
  • Completed by 50 students
  • Takes -- on average
  • JavaScript

Coming soon
Easy
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CVE-2024-X7X95
  • This challenge covers the review of a CVE in a JavaScript codebase and its patch
  • Takes -- on average
  • JavaScript

Easy
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CVE-2025-625X8
  • This challenge covers the review of a CVE in a javascript codebase and its patch
  • Completed by 48 students
  • Takes -- on average
  • javascript

Easy
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CVE-2025-X23XX
  • This challenge covers the review of a CVE in a javascript codebase and its patch
  • Completed by 39 students
  • Takes -- on average
  • javascript

Easy
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CVE-2025-X9X28
  • This challenge covers the review of a CVE in a typescript codebase and its patch
  • Completed by 38 students
  • Takes -- on average
  • javascript

Coming soon
Easy
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CVE-2025-XX400
  • This challenge covers the review of a CVE in a javascript codebase and its patch
  • Takes -- on average
  • javascript

Easy
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CVE-2025-XX864
  • This challenge covers the review of a CVE in a typescript codebase and its patch
  • Completed by 62 students
  • Takes < 1 Hr. on average
  • typescript

Easy
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CVE-2025-XX953
  • This challenge covers the review of a CVE in a typescript codebase and its patch
  • Completed by 48 students
  • Takes -- on average
  • typescript

Coming soon
Easy
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CVE-2025-XXXXX
  • This challenge covers the review of a CVE in a JavaScript codebase and its patch
  • Takes -- on average
  • JavaScript

Coming soon
Easy
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CVE-2026-XX041
  • This challenge covers the review of a CVE in a typescript codebase and its patch
  • Takes -- on average
  • typescript

Coming soon
Easy
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CVE-2026-XX047
  • This challenge covers the review of a CVE in a javascript codebase and its patch
  • Takes -- on average
  • javascript

Easy
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CVE-2026-XX050
  • This challenge covers the review of a CVE in a typescript codebase and its patch
  • Completed by 49 students
  • Takes -- on average
  • typescript

Coming soon
Easy
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CVE-2026-XX087
  • This challenge covers the review of a CVE in a typescript codebase and its patch
  • Takes -- on average
  • typescript

Coming soon
Easy
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CVE-2026-XX27
  • This challenge covers the review of a CVE in a javascript codebase and its patch
  • Takes -- on average
  • javascript

Coming soon
Easy
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CVE-2026-XX292
  • This challenge covers the review of a CVE in a typescript codebase and its patch
  • Takes -- on average
  • typescript

Coming soon
Easy
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CVE-2026-XX464
  • This challenge covers the review of a CVE in a typescript codebase and its patch
  • Takes -- on average
  • typescript

Coming soon
Easy
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CVE-2026-XX792
  • This challenge covers the review of a CVE in a typescript codebase and its patch
  • Takes -- on average
  • typescript

Coming soon
Easy
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CVE-2026-XX820
  • This challenge covers the review of a CVE in a typescript codebase and its patch
  • Takes -- on average
  • typescript

Coming soon
Easy
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CVE-2026-XX822
  • This challenge covers the review of a CVE in a typescript codebase and its patch
  • Takes -- on average
  • typescript

Coming soon
Easy
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CVE-2026-XX887
  • This challenge covers the review of a CVE in a typescript codebase and its patch
  • Takes -- on average
  • typescript

Easy
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CVE-2026-XX888
  • This challenge covers the review of a CVE in a typescript codebase and its patch
  • Completed by 58 students
  • Takes -- on average
  • typescript

Coming soon
Easy
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CVE-2026-XX921
  • This challenge covers the review of a CVE in a typescript codebase and its patch
  • Takes -- on average
  • typescript

Coming soon
Easy
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CVE-2026-XX938
  • This challenge covers the review of a CVE in a javascript codebase and its patch
  • Takes -- on average
  • javascript

Easy
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CVE-2026-XX951
  • This challenge covers the review of a CVE in a javascript codebase and its patch
  • Completed by 45 students
  • Takes -- on average
  • javascript

Coming soon
Easy
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CVE-2026-XX957
  • This challenge covers the review of a CVE in a typescript codebase and its patch
  • Takes -- on average
  • typescript

Coming soon
Easy
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CVE-2026-XX974
  • This challenge covers the review of a CVE in a typescript codebase and its patch
  • Takes -- on average
  • typescript

Exercises

Coming soon
Easy
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  • Takes -- on average