CVE-2012-3578: WordPress Fcchat Widget

Medium severity, CVSS 6.8. EPSS: 8.4% chance of exploitation in the next 30 days.

Unrestricted file upload vulnerability in html/Upload.php in the FCChat Widget plugin 2.2.13.1 and earlier for WordPress allows remote attackers to execute arbitrary code by uploading a file with a file with an executable extension followed by a safe extension, then accessing it via a direct request to the file in html/images.

Affected products

• WordPress Fcchat Widget: up to and including 2.2.13.1

Published 2012-06-17. Last modified 2026-06-16.