CVE-2026-30238: 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…

PriorityP429medium6.1CVSS 3.1

AVNACLPRNUIRSCCLILAN

EPSS

0.28%

19.5th percentile

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 GroupOffice on the external/index flow. The f parameter (Base64 JSON) is decoded and then injected into an inline JavaScript block without strict escaping, allowing ... injection and arbitrary JavaScript execution in the victim's browser. This issue has been patched in versions 6.8.155, 25.0.88, and 26.0.10.

Affected

6 ranges

Vendor	Product	Version range	Fixed in
intermesh	group-office	< 6.8.155	6.8.155
intermesh	group-office	>= 25.0.1 < 25.0.88	25.0.88
intermesh	group-office	>= 25.2.1 < 26.0.10	26.0.10
intermesh	groupoffice	< 6.8.155	6.8.155
intermesh	groupoffice	< 25.0.88	25.0.88
intermesh	groupoffice	< 26.0.10	26.0.10

CVSS provenance

nvdv3.16.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

nvdv4.05.1MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/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

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