CVE-2026-30237

Group-Office: Self XSS in GroupOffice Installer License Page (install/license.php)

State: Published
Severity: 2.1 Low
Published: Mar 6, 2026
Updated: Mar 9, 2026
Reserved: Mar 4, 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 <textarea>, allowing a </textarea><script>...</script> breakout.. This issue has been patched in versions 6.8.155, 25.0.88, and 26.0.10.

Scores

CVSS	Score	Vector	Source
4.0	2.1 Low	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	GitHub_M

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

Product	Versions
groupofficeIntermesh	< 6.8.155Affected < 25.0.88Affected < 26.0.10Affected

References

https://github.com/Intermesh/groupoffice/security/advisories/GHSA-hchr-32xh-x5rx

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