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CVE-2026-30237lowCWE-79

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

8Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 2.1epss 0.2%
exploitation probability
0.2%top 86% of all CVEs
observed exploitation
nono source reports it
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.
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
Affected products
Intermesh · groupoffice