CVE-2021-39394

Name: CVE-2021-39394
Creator: NVD / NIST
Published: 2022-08-26T13:15:08.357+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.28%

Last modified Jun 17, 2026

CVE-2021-39394 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. mm-wiki v0.2.1 was discovered to contain a Cross-Site Request Forgery (CSRF) which allows attackers to arbitrarily add user accounts and modify user information.. EPSS estimates a 0.28% chance of exploitation in the next 30 days.

Description

mm-wiki v0.2.1 was discovered to contain a Cross-Site Request Forgery (CSRF) which allows attackers to arbitrarily add user accounts and modify user information.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

EPSS Probability

0.28%

19.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-352

Affected Software

Vendor	Product	Versions
Mm-Wiki Project	Mm-Wiki	0.2.1

References

https://github.com/phachon/mm-wiki/issues/316Exploit, Issue Tracking, Third Party Advisory
https://github.com/phachon/mm-wiki/issues/316Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Aug 26, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-39394?

mm-wiki v0.2.1 was discovered to contain a Cross-Site Request Forgery (CSRF) which allows attackers to arbitrarily add user accounts and modify user information.

How severe is CVE-2021-39394?

CVE-2021-39394 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.28% probability of exploitation in the next 30 days.

How do I fix CVE-2021-39394?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-39394?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST