ONLYOFFICE Docs (DocumentServer) - Reflected Cross-Site Scripting

ONLYOFFICE Docs DocumentServer = 8.3.1 contains a reflected XSS caused by improper sanitization of crafted HTTP POST requests via the WOPI protocol, letting attackers inject malicious scripts reflected in HTML response, exploit requires crafted POST requests. id: CVE-2025-5301 info: name:...

CVE-2026-62323 Cloudreve: Unauthorized file write via WOPI view sessions whose access token secret is ignored

Cloudreve is a self-hosted file management and sharing system. Prior to 4.17.0, ViewerSessionValidation uses only the session-id prefix of a WOPI access token and does not enforce the requested viewer action, allowing a malicious or compromised WOPI viewer with a view session to forge the token...

CVE-2026-55495 Cloudreve: Path Traversal in WOPI PUT_RELATIVE Allows Arbitrary File Creation in Owner Account

Cloudreve is a self-hosted file management and sharing system. Prior to 4.17.0, the WOPI PUTRELATIVE handler passes X-WOPI-SuggestedTarget to URI.JoinRaw as a path rather than a filename, allowing slash and dot-dot segments to escape the source file directory and create or conditionally overwrite...

CVE-2026-55495

Summary: Cloudreve up to v4.16.x is vulnerable to a path traversal via the WOPI PUT_RELATIVE handler. The WOPI header X-WOPI-SuggestedTarget is treated as a path and joined to the source directory using URI.JoinRaw, allowing slashes and dot-dot segments to escape the source file directory and cre...

PT-2026-64446

Name of the Vulnerable Software and Affected Versions Cloudreve versions prior to 4.17.0 Description Cloudreve fails to properly validate WOPI access tokens and enforce requested viewer actions. The system generates tokens in the format ., but the middleware.ViewerSessionValidation function only...

CVE-2026-25511

Group-Office is vulnerable to SSRF and file read through the WOPI service discovery URL. An authenticated user in the System Administrator group can trigger SSRF to access internal hosts/ports, with the SSRF response exfiltrated via the built-in debug system, effectively enabling full server-side...

CVE-2026-25511 Group-Office is vulnerable to SSRF and File Read in WOPI service discovery

Group-Office is an enterprise customer relationship management and groupware tool. Prior to versions 6.8.150, 25.0.82, and 26.0.5, an authenticated user within the System Administrator group can trigger a full SSRF via the WOPI service discovery URL, including access to internal hosts/ports. The...

CVE-2026-25511 Group-Office is vulnerable to SSRF and File Read in WOPI service discovery

Group-Office is an enterprise customer relationship management and groupware tool. Prior to versions 6.8.150, 25.0.82, and 26.0.5, an authenticated user within the System Administrator group can trigger a full SSRF via the WOPI service discovery URL, including access to internal hosts/ports. The...

EUVD-2026-5348

Group-Office is an enterprise customer relationship management and groupware tool. Prior to versions 6.8.150, 25.0.82, and 26.0.5, an authenticated user within the System Administrator group can trigger a full SSRF via the WOPI service discovery URL, including access to internal hosts/ports. The...

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The vulnerability of the implementation of the WOPI protocol for the ONLYOFFICE Docs office online package allows a perpetrator to carry out cross-site scripting attacks.

The vulnerability of the WOPI protocol implementation in the ONLYOFFICE Docs online package DocumentServer is related to the lack of measures taken to protect the website structure. Exploiting this vulnerability allows a malicious actor to perform cross-site scripting attacks by sending specially...

CVE-2025-5301

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...

CVE-2025-5301

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...

CVE-2025-5301

ONLYOFFICE Docs (DocumentServer) <= 8.3.1 is affected by a reflected XSS when opening files via WOPI, caused by improper sanitization of crafted HTTP POST requests. The XSS can result in malicious scripts being reflected in the server’s HTML response. Affected product/version: ONLYOFFICE Docs ...

CVE-2025-5301 Reflected Cross-Site Scripting in ONLYOFFICE Docs (DocumentServer)

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...

CVE-2025-5301 Reflected Cross-Site Scripting in ONLYOFFICE Docs (DocumentServer)

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...