CVE-2023-34747 in the critical feed json
File upload vulnerability in ujcms 6.0.2 via /api/backend/core/web-file-upload/upload.
published 2023-06-14 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-38789
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 20.0%
- EPSS 20.0% chance of exploitation in 30 days, percentile 97%
- public exploits
- 0
- none known
Summary
File upload vulnerability in ujcms 6.0.2 via /api/backend/core/web-file-upload/upload.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 22 mo ago
Exploit prediction
20.05% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/ujcms/ujcms/issues/4 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Classification
- Weakness
-
- CWE-434 Unrestricted Upload of File with Dangerous Type
References
-
github.com
/ujcms/ujcms/issues/4
exploit, issue-tracking, vendor-advisory
Sources
- CVE List CVE-2023-34747
- NVD CVE-2023-34747
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.