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[Gnuheter-dev] [Bug #2895] header.php XSS


From: nobody
Subject: [Gnuheter-dev] [Bug #2895] header.php XSS
Date: Sat, 22 Mar 2003 05:31:14 -0500

=================== BUG #2895: FULL BUG SNAPSHOT ===================
http://savannah.nongnu.org/bugs/?func=detailbug&bug_id=2895&group_id=2176

Submitted by: metaur                  Project: Gnuheter                     
Submitted on: Sat 03/22/03 at 10:31
Category:  Bug                        Severity:  5 - Major                  
Bug Group:  None                      Resolution:  None                     
Assigned to:  None                    Status:  Open                         

Summary:  header.php XSS

Original Submission:  header.php har ett Cross-Site Scripting-problem, som 
visar sig exempelvis i följande URL:

http://gnuheter.org/stats.php?config=1&meta_keywords=%22%3e%3cscript%3ealert%2857%29%3c%2fscript%3e%3cqwe+%22

Även andra skript än stats.php drabbas av detta.

Problemet beror på en rad i header.php:

if (!isset($config)) include('config.php');

som istället borde skrivas:

include_once('config.php');

Samma problem finns på fler ställen i koden. Någon ambitiös människa skulle ju 
kunna byta ut en massa if (!isset($x)) include() till include_once().




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For detailed info, follow this link:
http://savannah.nongnu.org/bugs/?func=detailbug&bug_id=2895&group_id=2176




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