CVE-2021-39394 json
mm-wiki v0.2.1 was discovered to contain a Cross-Site Request Forgery (CSRF) which allows attackers to arbitrarily add user accounts and mo…
published 2022-08-26 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-25753
- cvss
- 6.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 26%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
0.33% chance of exploitation in the next 30 days, higher than 26% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/phachon/mm-wiki/issues/316 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
Classification
- Weakness
-
- CWE-352 Cross-Site Request Forgery
References
-
github.com
/phachon/mm-wiki/issues/316
exploit, issue-tracking, third-party-advisory
Sources
- CVE List CVE-2021-39394
- NVD CVE-2021-39394
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.