CVE-2026-30237

PoC —

CVSS 4.0

2.1 low

EPSS

<1%p14

Published

Mar 6, 2026 (Mar 6, 2026)

Modified

Jun 17, 2026

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 , allowing a breakout.. This issue has been patched in versions 6.8.155, 25.0.88, and 26.0.10.

Vendors: intermesh
Products: group-office
Weakness: CWE-79
Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD CVE.org GitHub PoCs EPSS (0.2%)

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