cvedb.io
CVE-2026-45551
UNKNOWN · CVSS n/a
EPSS exploitation probability: 0%
Published 2026-05-29T13:16:22.917 · Last modified 2026-06-17T10:52:11.510

Summary

Group-Office is an enterprise customer relationship management and groupware tool. Prior to 26.0.25, 25.0.100, and 6.8.165, GroupOffice allows authenticated users to persist arbitrary legacy settings for any user_id via index.php?r=core/saveSetting. A separate client-side sink in the email module injects the email_font_size setting directly into JavaScript without escaping. By combining these two issues, any low-privileged authenticated user can overwrite an administrator's email_font_size setting with a JavaScript payload and trigger stored XSS in the administrator's browser when the GroupOffice web client loads views/Extjs3/modulescripts.php. This vulnerability is fixed in 26.0.25, 25.0.100, and 6.8.165.

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.