Multiple SQL injection vulnerabilities in code/guestadd.php in PHP-Update 2.7 and earlier allow remote attackers to execute arbitrary SQL commands via the (1) newmessage, (2) newname, (3) newwebsite, or (4) newemail parameter.
Variable overwrite vulnerability in blog.php in PHP-Update 2.7 and earlier allows remote attackers to overwrite arbitrary program variables and execute arbitrary PHP code via multiple vectors that use the extract function, as demonstrated by the (1) f, (2) newmessage, (3) newusername, (4) adminuser, and (5) permission parameters.