CVE-2021-43446

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.

CVSS v3.1 NVD

6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS

0.82% chance of exploitation in the next 30 days, 57th percentile

Published

2023-01-23

Updated

2025-04-02

Proof-of-concept exploits (1)

• https://labs.nettitude.com/blog/exploiting-onlyoffice-web-sockets-for-unauthenticated-rem…

Security advisories

• https://onlyoffice.com
• ONLYOFFICE/server
• https://labs.nettitude.com/blog/exploiting-onlyoffice-web-sockets-for-unauthenticated-rem…

References

• CVE Record
• NVD entry