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Date: Fri, 5 Apr 2019 11:45:01 +0200
From: Hanno Böck <hanno@...eck.de>
To: oss-security@...ts.openwall.com
Subject: XSS in roundup bug tracker 404 page
Hi,
I recently discovered that the python bug tracker had a trivial
reflected Cross Site Scripting vulnerability on the 404 error page.
It essentially just reflected the URL path, so anything like
http://hostname/<img src=x onerror=alert(1)>
(properly URL-encoded, but browsers do this automatically)
would result in XSS.
The software python is using here is the Roundup issue tracker, it's
been reported there as well [2] and fixed in their repo (but no release
yet).
[1] https://github.com/python/bugs.python.org/issues/34
[2] https://issues.roundup-tracker.org/issue2551035
--
Hanno Böck
https://hboeck.de/
mail/jabber: hanno@...eck.de
GPG: FE73757FA60E4E21B937579FA5880072BBB51E42
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