We've just released WP All Import 4.1.1, which is a mandatory security update. All customers should upgrade immediately.
4.1.1 patches a severe vulnerability in WP All Import. The vulnerability was discovered by a security researcher, who reported it directly to us.
It was not discovered by a malicious hacker, and we haven't received a single report of a site being compromised by this vulnerability.
However, you should still upgrade to 4.1.1 as soon as possible.
For more information, please read
http://www.wpallimport.com/2015/02/wp-import-4-1-1-mandatory-security-update/
We sincerely apologize for inconveniencing you by forcing you to upgrade to 4.1.1 on such short notice, and we're very very sorry for the vulnerability!
Please do not reply to this e-mail. For support, e-mail support@wpallimport.com.
Best Regards,
Louis Reingold & The WP All Import Team