CVE-2007-3544: WordPress

Medium severity, CVSS 6.5. EPSS: 1.8% chance of exploitation in the next 30 days.

Unrestricted file upload vulnerability in (1) wp-app.php and (2) app.php in WordPress 2.2.1 and WordPress MU 1.2.3 allows remote authenticated users to upload and execute arbitrary PHP code via unspecified vectors, possibly related to the wp_postmeta table and the use of custom fields in normal (non-attachment) posts. NOTE: this issue reportedly exists because of an incomplete fix for CVE-2007-3543.

Affected products

• WordPress WordPress: up to and including 2.2.0
• WordPress WordPress Mu: up to and including 1.2.2

Published 2007-07-03. Last modified 2026-06-16.