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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.

PUBLISHED Reserved 2026-03-04 | Published 2026-03-06 | Updated 2026-03-06 | Assigner GitHub_M




LOW: 2.1CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

Problem types

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

Product status

< 6.8.155
affected

< 25.0.88
affected

< 26.0.10
affected

References

github.com/...office/security/advisories/GHSA-hchr-32xh-x5rx

cve.org (CVE-2026-30237)

nvd.nist.gov (CVE-2026-30237)

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