CVE-2025-5301 — Reflected Cross-Site Scripting in ONLYOFFICE Docs (DocumentServer)

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
OnlyOffice / Docs (DocumentServer)	affected <=8.3.1

CWE

CWE-79

References

https://r.sec-consult.com/onlyoffice
https://github.com/ONLYOFFICE/DocumentServer/blob/master/CHANGELOG.md#832

ADP enrichment

CISA-ADP

No English description supplied.

https://sec-consult.com/vulnerability-lab/advisory/reflected-cross-site-scripting-in-onlyoffice-docs-documentserver/

CVE

No English description supplied.

http://seclists.org/fulldisclosure/2025/Jun/18