CVE-2021-43446

Severity Score

6.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track*

*SSVC

Descriptions

ONLYOFFICE all versions as of 2021-11-08 is vulnerable to Cross Site Scripting (XSS). The "macros" feature of the document editor allows malicious cross site scripting payloads to be used.

Todas las versiones de ONLYOFFICE con fecha posterior al 08/11/2021 son vulnerables a Cross Site Scripting (XSS). La función "macros" del editor de documentos permite realizar cross site scripting.

*Credits: N/A

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

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2021-11-08 CVE Reserved
2023-01-23 CVE Published
2025-03-30 EPSS Updated
2025-04-02 CVE Updated
2025-04-02 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

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

CAPEC

References (3)

URL	Tag	Source
https://github.com/ONLYOFFICE/server	Third Party Advisory

URL	Date	SRC
https://labs.nettitude.com/blog/exploiting-onlyoffice-web-sockets-for-unauthenticated-remote-code-execution	2025-04-02

URL	Date	SRC

URL	Date	SRC
https://onlyoffice.com	2023-01-31

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Onlyoffice Search vendor "Onlyoffice"		Server Search vendor "Onlyoffice" for product "Server"				<= 7.0.0.49 Search vendor "Onlyoffice" for product "Server" and version " <= 7.0.0.49"		-		Affected