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CVE-2026-30237

LOW CVSS 4.0: 2.1 EPSS 0.01%
Updated Mar 06, 2026
PHP
Parameter Value
CVSS 2.1 (LOW)
Type CWE-79 (Cross-Site Scripting (XSS))
Vendor PHP
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
Present
Additional conditions required
Privileges Required
None
No privileges needed
User Interaction
Active
User action required

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
None
No disruption

CVSS Vector v4.0