GroupOffice Authenticated Stored XSS via Arbitrary User Setting Write Leading to Privilege Escalation (CVE-2026-45551)

github.com 2026-05-29English translation pending; showing Chinese查看中文 →

Security AdvisoryCVE-2026-45551HighIntermesh

Affected:

GroupOffice 26.0.23
GroupOffice 25.0.99
GroupOffice 6.8.164

Fixed in:

GroupOffice 26.0.25
GroupOffice 25.0.100
GroupOffice 6.8.165

Referenced CVEs: CVE-2026-45551

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