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Description
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Stefan Schurtz has discovered two vulnerabilities in Serendipity, which can be exploited by malicious users to conduct SQL injection attacks and by malicious people to conduct cross-site scripting attacks.
1) Input passed via the "serendipity[textarea]" parameter to serendipity_admin_image_selector.php is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.
2) Input passed via the "serendipity[plugin_to_conf]" parameter to serendipity_admin.php (when "serendipity[adminModule]" is set to "plugins") is not properly sanitised before being used in a SQL query. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.
Successful exploitation of this vulnerability requires access rights to the plugin section (e.g. "Chief Editor" access rights) and "magic_quotes_gpc" to be disabled.
The vulnerabilities are confirmed in version 1.6. Prior versions may also be affected.
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