Aliaksandr Hartsuyeu has discovered some vulnerabilities in Null news, which can be exploited by malicious people to conduct SQL injection attacks.
Input passed to the "user_username" parameter in "sub.php" and "unsub.php", and to the "user_email" parameter in "lostpass.php", "sub.php", and "unsub.php" 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 requires "magic_quotes_gpc" to be disabled.
The vulnerabilities have been confirmed in the latest version. Other versions may also be affected.
Solution: Edit the source code to ensure that input is properly sanitised.
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