CVE-2025-5301

Published: Jun 12, 2025Modified: Jun 17, 2026Deferred

6.1

Vector

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

Exploitability: 2.8 / Impact: 2.7

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

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.

Related CWEs

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (4)

https://github.com/ONLYOFFICE/DocumentServer/blob/master/CHANGELOG.md#832

Source: 551230f0-3615-47bd-b7cc-93e92e730bbf

https://r.sec-consult.com/onlyoffice

Source: 551230f0-3615-47bd-b7cc-93e92e730bbf

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

Source: af854a3a-2127-422b-91ae-364da2661108

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

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

Timeline

No history available yet.