// For flags

CVE-2025-5301

Reflected Cross-Site Scripting in ONLYOFFICE Docs (DocumentServer)

Severity Score

6.1
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track*
*SSVC
Descriptions

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.

ONLYOFFICE Docs versions 8.3.1 and below suffers from a reflective cross site scripting vulnerability.

*Credits: Max Rull, SEC Consult Vulnerability Lab
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:Track*
Exploitation
Poc
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2025-05-28 CVE Reserved
  • 2025-06-12 CVE Published
  • 2025-06-18 CVE Updated
  • 2025-06-18 First Exploit
  • 2025-08-02 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC
  • CAPEC-591: Reflected XSS
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
OnlyOffice
Search vendor "OnlyOffice"
 Docs (DocumentServer)
Search vendor "OnlyOffice" for product "Docs (DocumentServer)"
 <= 8.3.1
Search vendor "OnlyOffice" for product "Docs (DocumentServer)" and version " <= 8.3.1"
en
Affected