CVE-2021-43446: ONLYOFFICE Server

Medium severity, CVSS 6.1. EPSS: 0.8% chance of exploitation in the next 30 days.

ONLYOFFICE all versions as of 2021-11-08 is vulnerable to Cross Site Scripting (XSS). The "macros" feature of the document editor allows malicious cross site scripting payloads to be used.

Affected products

• ONLYOFFICE Server: up to and including 7.0.0.49

Published 2023-01-23. Last modified 2026-06-17.