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escape html chars of traceback #215

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escape html chars of traceback #215

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2 changes: 2 additions & 0 deletions aiohttp/server.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@
import time
import traceback
import socket
import html

import aiohttp
from aiohttp import errors, streams, helpers
Expand Down Expand Up @@ -299,6 +300,7 @@ def handle_error(self, status=500,
if self.debug and exc is not None:
try:
tb = traceback.format_exc()
tb = html.escape(tb)
msg += '<br><h2>Traceback:</h2>\n<pre>{}</pre>'.format(tb)
except:
pass
Expand Down