12All File Upload Vulnerability

Author: John McGuire
Company: ActiveCampaign
Product: 1-2-All
Version: 4.5x - 4.53.13
Flaw: Arbitrary File Upload
Vendor Notified: Yes
Patch Available: Yes
Patch Location:
http://www.activecampaign.com/support/forum/showthread.php?t=3293

URL:
http://{12All_Location}/admin/functions/editor/editor/filemanager/browser/default/browser.html

Description: The FCKeditor module used to create HTML emails appears to
check filenames against a blacklist of bad extensions. Extensions such
as php4 and php5 are not in this list, and can be executed and run
depending on server configuration.