What is CVE-2026-30238?

CVE-2026-30238 is a medium-severity vulnerability in Intermesh Group-office, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-03-06.

How severe is CVE-2026-30238?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Intermesh Group-office

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 vulnerability in GroupOffice on the external/index flow. The f parameter (Base64 J…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (19.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Intermesh Group-office
Intermesh Groupoffice — versions < 6.8.155, < 25.0.88, < 26.0.10

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2026-30238?: CVE-2026-30238 is a medium-severity vulnerability in Intermesh Group-office, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-03-06.
How severe is CVE-2026-30238?: Medium severity. CVSS v3 base score is 6.1 out of 10.