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CVE-2025-5301

Reflected Cross-Site Scripting in ONLYOFFICE Docs (DocumentServer)

Published
Last modified
published
Not listed in CISA KEV
1 Nuclei template
  • Exploitation: poc
  • Automatable: no
  • Technical impact: partial

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: no · Technical impact: partial

  3. Record last updated
  4. EPSS reached 10%

    FIRST estimates at least a 10% chance of exploitation in the next 30 days

Affected versions

  • OnlyOffice Docs (DocumentServer)

    through 8.3.1

References 3

r.sec-consult.com

GitHub · ONLYOFFICE/DocumentServer

GitHub · projectdiscovery/nuclei-templates