Some vulnerabilities have been discovered in Elvin, which can be exploited by malicious people to conduct cross-site scripting attacks, disclose potentially sensitive information, and conduct SQL injection attacks.
1) Input passed to the "inUser" and "inPass" parameter in login.php is not properly sanitised before being used in SQL queries. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.
2) Input passed to e.g. the "id" parameter in show_bug.cgi and show_activity.php and potentially other parameters and other scripts is not properly sanitised before being used in an SQL query or returned to the user. This can be exploited to manipulate SQL queries by injecting arbitrary script code or execute arbitrary HTML and script code in a user's browser session in context of an affected site.
3) Input passed to the "id" parameter in page.php is not properly verified before being used to include files. This can be exploited to include arbitrary files from local resources via directory traversal attacks.
The vulnerabilities are confirmed in version 1.2.1. Other versions may also be affected.
Solution: Apply hotfix 1.2.2, which fixes vulnerability #1 and the "id" SQL injection in show_bug.cgi.
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Subject: Elvin Multiple Vulnerabilities
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