Challenge is over!

Check out the write up!

Playground for S3! (Super Safe Sanitizer)

Sanitized Output

Why is S3 guaranteed secure?

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Rules

Winners for finding 4 bugs

  1. alex
  2. Masato Kinugawa
  3. Michał Bentkowski
  4. You?

Winners for finding 3 bugs

  1. Luan Herrera
  2. Michał Bentkowski
  3. Jiantao Li
  4. alex
  5. Masato Kinugawa
  6. TheGrandPew
  7. kunte_
  8. You?

Honorable mention for bypassing the sanitizer in unintended ways

  1. Michał Bentkowski
  2. TheGrandPew
  3. alex
  4. You?