CVE-2025-5301

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.

PUBLISHED Reserved 2025-05-28 | Published 2025-06-12 | Updated 2025-06-18 | Assigner SEC-VLab

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Product status

Credits

Max Rull, SEC Consult Vulnerability Lab finder

References

sec-consult.com/...ipting-in-onlyoffice-docs-documentserver/ exploit

seclists.org/fulldisclosure/2025/Jun/18

r.sec-consult.com/onlyoffice third-party-advisory

github.com/...OFFICE/DocumentServer/blob/master/CHANGELOG.md release-notes

cve.org (CVE-2025-5301)

nvd.nist.gov (CVE-2025-5301)

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