CVE-2014-3863: J!extensions Store Jchatsocial

Medium severity, CVSS 4.3. EPSS: 1.9% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in the JChatSocial component before 2.3 for Joomla! allows remote attackers to inject arbitrary web script or HTML via the filename parameter in a file upload in an active JChat chat window.

Affected products

• J!extensions Store Jchatsocial: up to and including 2.2

Published 2014-10-20. Last modified 2026-06-17.