CVE-2025-5301 Information

Description

ONLYOFFICE Docs (DocumentServer) in versions equal and below 8.3.1 are affected by a reflected cross-site scripting (XSS) issue when opening files via the WOPI protocol. Attackers could inject malicious scripts via crafted HTTP POST requests which are then reflected in the server’s HTML response.

Reference

https://github.com/ONLYOFFICE/DocumentServer/blob/master/CHANGELOG.md#832 https://r.sec-consult.com/onlyoffice https://sec-consult.com/vulnerability-lab/advisory/reflected-cross-site-scripting-in-onlyoffice-docs-documentserver/