CVE-2025-5301
MEDIUM NUCLEIOnlyOffice Docs (DocumentServer) <= 8.3.1 - Reflected Cross-Site Scripting via WOPI Protocol
Title source: llmExploitation Summary
CVE-2025-5301 has a Nuclei detection template available — see the Nuclei card below for the Shodan/FOFA recon queries.
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.
Nuclei Templates (1)
ONLYOFFICE Docs (DocumentServer) - Reflected Cross-Site Scripting
MEDIUMby theamanrawat
References (4)
Core 4
Core References
Various Sources third-party-advisory
https://r.sec-consult.com/onlyoffice
Various Sources release-notes
https://github.com/ONLYOFFICE/DocumentServer/blob/master/CHANGELOG.md#832
Mailing List
http://seclists.org/fulldisclosure/2025/Jun/18
Scores
CVSS v3
6.1
EPSS
0.3486
EPSS Percentile
98.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-79
Status
published
Products (1)
OnlyOffice/Docs (DocumentServer)
<=8.3.1
Published
Jun 12, 2025
Tracked Since
Feb 18, 2026