Challenges

200pt
  • Publisher: Safflower
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  • Published at:
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  • Solvers: 101
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  • First Solver: munsiwoo
This service provides JSON encoding.
https://json.canhack.me/

If you find a vulnerability, capture the flag via the URL below.
https://json.canhack.me/tester
300pt
  • Publisher: Safflower
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  • Published at:
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  • Solvers: 67
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  • First Solver: 0e85dc6eaf
This service provides convert BBCode to HTML.
https://bbcode.canhack.me/

If you find a vulnerability, capture the flag via the URL below.
https://bbcode.canhack.me/tester
  • Publisher: Safflower
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  • Published at:
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  • Solvers: 42
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  • First Solver: jusb3
This service provides convert text to uppercase.
https://uppercase.canhack.me/

If you find a vulnerability, capture the flag via the URL below.
https://uppercase.canhack.me/tester
300pt
  • Publisher: Safflower
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  • Published at:
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  • Solvers: 46
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  • First Solver: 5unKn0wn
This service provides Caesar cipher.
https://caesar.canhack.me/

If you find a vulnerability, capture the flag via the URL below.
https://caesar.canhack.me/tester
  • Publisher: Safflower
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  • Published at:
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  • Solvers: 26
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  • First Solver: shpik
This service provides convert text to uppercase.
https://uppercase2.canhack.me/

If you find a vulnerability, capture the flag via the URL below.
https://uppercase2.canhack.me/tester
  • Publisher: Safflower
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  • Published at:
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  • Solvers: 20
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  • First Solver: st98_
This service provides convert text to lowercase.
https://lowercase.canhack.me/

If you find a vulnerability, capture the flag via the URL below.
https://lowercase.canhack.me/tester
  • Publisher: Safflower
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  • Published at:
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  • Solvers: 42
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  • First Solver: jusb3
This service provides redirection to URL.
https://redirect.canhack.me/

If you find a vulnerability, capture the flag via the URL below.
https://redirect.canhack.me/tester
This service provides redirection to URL.
https://redirect2.canhack.me/

If you find a vulnerability, capture the flag via the URL below.
https://redirect2.canhack.me/tester
  • Publisher: Safflower
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  • Published at:
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  • Solvers: 16
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  • First Solver: adm1nkyj
This service provides search plaintext for MD5 hashes.
You can use wildcard characters such as the asterisk (*) and question mark (?).
https://md5table.canhack.me/

If you find a vulnerability, capture the flag via the URL below.
https://md5table.canhack.me/tester
  • Publisher: Safflower
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  • Published at:
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  • Solvers: 16
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  • First Solver: st98_
This service provides redirection to URL.
https://redirect3.canhack.me/

If you find a vulnerability, capture the flag via the URL below.
https://redirect3.canhack.me/tester
Currently opened 15 challenges.