CVE-2009-4140: Matomo

High severity, CVSS 7.5. EPSS: 75.8% chance of exploitation in the next 30 days.

Unrestricted file upload vulnerability in ofc_upload_image.php in Open Flash Chart v2 Beta 1 through v2 Lug Wyrm Charmer, as used in Piwik 0.2.35 through 0.4.3, Woopra Analytics Plugin before 1.4.3.2, and possibly other products, when register_globals is enabled, allows remote authenticated users to execute arbitrary code by uploading a file with an executable extension through the name parameter with the code in the HTTP_RAW_POST_DATA parameter, then accessing it via a direct request to the file in tmp-upload-images/.

Affected products

• Matomo Matomo: version 0.2.37 only; version 0.4.2 only; version 0.4.3 only
• Teethgrinder.co.uk Open Flash Chart: version 2.0 only

Published 2009-12-22. Last modified 2026-06-16.