Salvatore Fresta has discovered a vulnerability in the JQuarks4s component for Joomla!, which can be exploited by malicious people to conduct SQL injection attacks.
Input passed via the "q" array index parameter to index.php (when "option" is set to "com_jquarks4s", "task" is set to "submitSurvey", and the "q" parameter is set to "4") is not properly sanitised before being used in SQL queries. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.
The vulnerability is confirmed in version 1.0.0. Prior versions may also be affected.
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