CVE-2004-1939: Rhinosoft Zaep Antispam

Medium severity, CVSS 4.3. EPSS: 1.7% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in Zaep AntiSpam 2.0 allows remote attackers to inject arbitrary web script or HTML via double encoded slashes (%252F) in the key parameter.

Affected products

• Rhinosoft Zaep Antispam: version 2.0 only; version 2.0_.0.1 only

Published 2004-04-14. Last modified 2026-06-16.