Report
WP-Syntax plugin 0.9.9 and earlier for Wordpress, with register_globals enabled, allows remote attackers to execute arbitrary PHP code via the test_filter[wp_head] array parameter to test/index.php, which is used in a call to the call_user_func_array function.
Score:9.8
Severity:Critical
Version: 2.4.0
There is a patch available in v2.5.1 and we strongly recommend you update to this version as soon as possible.
