CVE-2004-2243: Phorum

High severity, CVSS 7.5. EPSS: 1.5% chance of exploitation in the next 30 days.

Phorum allows remote attackers to hijack sessions of other users by stealing and replaying the session hash in the phorum_uriauth parameter, as demonstrated using profile.php. NOTE: the affected version was reported to be 4.3.7, but this may be erroneous.

Affected products

• Phorum Phorum: version 4.3.7 only

Published 2004-12-31. Last modified 2026-06-16.