CVE-2025-5301

MEDIUM NUCLEI

ONLYOFFICE Docs <8.3.1 - XSS

Title source: llm

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.

Nuclei Templates (1)

ONLYOFFICE Docs (DocumentServer) - Reflected Cross-Site Scripting

MEDIUMby theamanrawat

References (4)

[Various Sources] https://github.com/ONLYOFFICE/DocumentServer/blob/master/CHANGELOG.md#832

View Writeup ZIP pw:eip

[Various Sources] https://r.sec-consult.com/onlyoffice

[Mailing List] http://seclists.org/fulldisclosure/2025/Jun/18

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

Scores

CVSS v3 6.1

EPSS 0.0757

EPSS Percentile 91.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE

CWE-79

Status published

Products (1)

OnlyOffice/Docs (DocumentServer) <=8.3.1

Published Jun 12, 2025

Tracked Since Feb 18, 2026