SimpNews 2.41.03 allows remote attackers to obtain sensitive information via (1) an invalid lang parameter to admin/index.php; or a direct request to (2) admin/dbg_infos.php, (3) admin/heading.php, or (4) evsearch.php; which reveals the path in various error messages.
SimpNews 2.41.03 stores sensitive information under the web root with insufficient access control, which allows remote attackers to download arbitrary .inc files via a direct request, as demonstrated by admin/includes/dbtables.inc.
SQL injection vulnerability in print.php in SimpleNews 1.0.0 FINAL allows remote attackers to execute arbitrary SQL commands via the news_id parameter.