CVE-2026-30237

MEDIUM

Group-Office < 6.8.155 - Reflected Cross-Site Scripting via Install License Endpoint

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 6.1
EPSS 0.0023
EPSS Percentile 13.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (1)
intermesh/group-office < 6.8.155
Published Mar 06, 2026
Tracked Since Mar 07, 2026