CVE-2005-4239: PHP Jackknife

Medium severity, CVSS 4.3. EPSS: 1.8% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in Search/DisplayResults.php in PHP JackKnife 2.21 and earlier allows remote attackers to inject arbitrary web script or HTML via URL-encoded values in the sKeywords parameter.

Affected products

• PHP Jackknife PHP Jackknife: up to and including 2.21

Published 2005-12-14. Last modified 2026-06-16.