Input validation vulnerability in Post to Twitter 0.7

Multiple security issues were found in the Post to Twitter plugin version 0.7 and earlier for WordPress. Attackers could use these vulnerabilities to gain access to an administrator’s account and launch Cross-Site Scripting attacks. These attacks could be launched by sending malicious code through the parameters idptt_twitter_username or idptt_tweet_prefix to wp-admin/options-general.php.