CVE-2003-0307: Poster

High severity, CVSS 7.5. EPSS: 1.4% chance of exploitation in the next 30 days.

Poster version.two allows remote authenticated users to gain administrative privileges by appending the "|" field separator and an "admin" value into the email address field.

Affected products

• Poster Poster: version version.two only

Published 2003-06-09. Last modified 2026-06-16.