CVE-2008-0233: Zero CMS

High severity, CVSS 7.5. EPSS: 2.2% chance of exploitation in the next 30 days.

Unrestricted file upload vulnerability in Zero CMS 1.0 Alpha and earlier allows remote attackers to bypass intended access restrictions and upload and execute arbitrary files by uploading an avatar file with an accepted Content-Type such as image/jpeg.

Affected products

• Zero CMS Zero CMS: version 1.0_alpha only

Published 2008-01-11. Last modified 2026-06-16.