CVE-2005-0831: PHP-Post Web Forum

Medium severity, CVSS 5.0. EPSS: 1.1% chance of exploitation in the next 30 days.

PHP-Post allows remote attackers to spoof the names of other users by registering with a username containing hex-encoded characters.

Affected products

• PHP-Post PHP-Post Web Forum: version 0.1 only; version 0.2 only; version 0.3 only; version 0.21 only; version 0.22 only; version 0.32 only

Published 2005-05-02. Last modified 2026-06-16.