Vulnerability Details : 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.
Vulnerability category: Cross site scripting (XSS)
Exploit prediction scoring system (EPSS) score for CVE-2021-43446
Probability of exploitation activity in the next 30 days: 0.07%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 30 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-43446
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
6.1
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
2.8
|
2.7
|
NIST |
CWE ids for CVE-2021-43446
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The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-43446
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https://github.com/ONLYOFFICE/server
GitHub - ONLYOFFICE/server: The backend server software layer which is the part of ONLYOFFICE Document Server and is the base for all other componentsThird Party Advisory
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https://labs.nettitude.com/blog/exploiting-onlyoffice-web-sockets-for-unauthenticated-remote-code-execution/
Remote Code Execution in ONLYOFFICE - Nettitude LabsExploit;Mitigation;Third Party Advisory
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https://onlyoffice.com/
ONLYOFFICE - Secure Online Office | ONLYOFFICEProduct;Vendor Advisory
Products affected by CVE-2021-43446
- cpe:2.3:a:onlyoffice:server:*:*:*:*:*:*:*:*