CVE-2026-30238
Medium
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 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 </script><script>...</script> 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.
SeverityMedium
CVSS6.1
Exploit probability—
ProductIntermesh Group-office
PublishedMar 6, 2026
First seenMar 6, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- intermesh group-office6.8.155, 25.0.88, 26.0.10 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| intermesh group-office | v < 6.8.155, 25.0.1 ≤ v < 25.0.88, 25.2.1 ≤ v < 26.0.10 | 6.8.155, 25.0.88, 26.0.10 |
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