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CVE PROGRAM SOURCE RECORD5.1 Medium

CVE-2026-30238

Group-Office: Reflected XSS in JavaScript context

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Intermesh groupoffice

  • < 6.8.155affected
  • < 25.0.88affected
  • < 26.0.10affected

References