CVE

CVE-2025-5301

6.1

CVSSmedium

Exploitable remotely over the internet · no authentication required · user interaction needed.

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.

Attack Vector

Network

Privileges Req.

None

User Interaction

Required

docs (documentserver)

Updated Nov 10, 2026View on NVD →

S4E scanner

mediumWeb Vulnerabilities~10 seconds

ONLYOFFICE Docs (DocumentServer) - Reflected Cross-Site Scripting

ONLYOFFICE Docs (DocumentServer) References: https://github.com/ONLYOFFICE/ https://seclists.org/fulldisclosure/2025/Jun/18 https://nvd.nist.gov/vuln/detail/CVE-2025-5301 https://github.com/ONLYOFFICE/DocumentServer/blob/master/CHANGELOG.md#832 https://r.sec-consult.com/onlyoffice Remediation: Update to a version later than 8.3.1.

9 assets checked · domain, subdomain, ipv4

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CVE history: docs (documentserver)

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