CVE-2021-45808 json
jpress v4.2.0 allows users to register an account by default.
published 2022-01-19 4 y ago modified 2026-07-09 4 mo ago also EUVD-2021-32526
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 70%
- public exploits
- 0
- none known
Summary
jpress v4.2.0 allows users to register an account by default. With the account, user can upload arbitrary files to the server.
Exploit prediction
1.31% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/JPressProjects/jpress/issues/173 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-434 Unrestricted Upload of File with Dangerous Type
References
-
github.com
/JPressProjects/jpress/issues/173
exploit, issue-tracking, third-party-advisory
-
github.com
/JPressProjects/jpress
product, third-party-advisory
Sources
- CVE List CVE-2021-45808
- NVD CVE-2021-45808
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.