VULNERABILITY INTELLIGENCE

CVE-2026-30237

CVSS score6.1 MEDIUM

EPSS probability0.26%

CISA KEVNot currently listed

Published2026-03-06

Last modified2026-06-17

Description

Group-Office is an enterprise customer relationship management and groupware tool. Prior to versions 6.8.155, 25.0.88, and 26.0.10, there is a reflected XSS vulnerability in the GroupOffice installer, endpoint install/license.php. The POST field license is rendered without escaping inside a <textarea>, allowing a </textarea><script>...</script> breakout.. This issue has been patched in versions 6.8.155, 25.0.88, and 26.0.10.