[New-bugs-announce] [issue24661] CGIHTTPServer: premature unescaping of query string

[John S]

New submission from John S:

I created a simple CGI script that outputs the query string passed to it:

```
#!/usr/bin/env python
import os
print 'Content-Type: text/html\n\n'
print os.environ['QUERY_STRING']
```
I saved it as cgi-bin/test.cgi and made it executable. I then ran `python -m CGIHTTPModule` and opened 
http://localhost:8000/cgi-bin/test.cgi?H%26M
in a web browser.

The output was H&M when it should have been H%26M

I tried with Python 2.7.5, 2.7.3 and 2.6.6 and they all correctly output H%26M.

The test.cgi file is attached.

----------
components: Library (Lib)
files: test.cgi
messages: 246900
nosy: johnseman
priority: normal
severity: normal
status: open
title: CGIHTTPServer: premature unescaping of query string
versions: Python 2.7
Added file: http://bugs.python.org/file39943/test.cgi

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue24661>
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