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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.

26 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 123 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 104 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 89 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 77 students
  • Takes -- on average
  • JavaScript

Easy
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CVE-2024-X7X95
  • This challenge covers the review of a CVE in a JavaScript codebase and its patch
  • Completed by 22 students
  • Takes < 1 Hr. 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 82 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 64 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 63 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 85 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 76 students
  • Takes -- on average
  • typescript

Easy
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CVE-2025-XXXXX
  • This challenge covers the review of a CVE in a JavaScript codebase and its patch
  • Completed by 25 students
  • Takes < 1 Hr. on average
  • JavaScript

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 71 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

Easy
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CVE-2026-XX27
  • This challenge covers the review of a CVE in a javascript codebase and its patch
  • Completed by 30 students
  • Takes -- on average
  • javascript

Easy
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CVE-2026-XX292
  • This challenge covers the review of a CVE in a typescript codebase and its patch
  • Completed by 32 students
  • 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
  • Completed by 1 student
  • 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
  • Completed by 1 student
  • Takes -- on average
  • typescript

Easy
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CVE-2026-XX822
  • This challenge covers the review of a CVE in a typescript codebase and its patch
  • Completed by 34 students
  • Takes < 1 Hr. 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 83 students
  • Takes -- on average
  • typescript

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 73 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
  • Completed by 1 student
  • 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