Last modified: 2005-12-04 11:39:38 UTC

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Bug 4165 - XSS: tainted uselang parameter is passed to eval().
XSS: tainted uselang parameter is passed to eval().
Status: RESOLVED FIXED
Product: MediaWiki
Classification: Unclassified
General/Unknown (Other open bugs)
1.6.x
PC All
: Highest critical (vote)
: ---
Assigned To: Nobody - You can work on this!
:
Depends on:
Blocks:
  Show dependency tree / graph
 
Reported: 2005-12-04 09:51 UTC by brevam
Modified: 2005-12-04 11:39 UTC (History)
0 users

See Also:
Web browser: ---
Mobile Platform: ---
Assignee Huggle Beta Tester: ---

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Description brevam 2005-12-04 09:51:45 UTC 
Not untainted uselang parameter is passed to eval(), in 
setupLangObj function in Setup.php.
This causes server-/client-side serious security problem.

Exaple:
 ?uselang=xx{}echo'test';$langclass='languageJa';class+yy{//
This shows 'test'.
Comment 1 Brion Vibber 2005-12-04 11:39:38 UTC 
Fixed on CVS HEAD and REL1_5, in 1.5.3 release. Bug was introduced in May 2005, bad regexp replacing a 
good one.

(Since our bugzilla is public, consider reporting serious security issues by private e-mail. We'll get 
a fix out as fast as we can, but if you posted at a bad time of day it might be sitting in public for 
hours before it's read by us.)
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