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Fencer Vulns
medium 6.1

CVE-2023-34833 json

An arbitrary file upload vulnerability in the component /api/upload.php of ThinkAdmin v6 allows attackers to execute arbitrary code via a c…

published 2023-06-15 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-38874

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 45%
public exploits
0
none known

Summary

An arbitrary file upload vulnerability in the component /api/upload.php of ThinkAdmin v6 allows attackers to execute arbitrary code via a crafted file.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
23 mo ago

Exploit prediction

0.54% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • note.youdao.com https://note.youdao.com/s/3tge43wH referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Classification

Weakness
  • CWE-434 Unrestricted Upload of File with Dangerous Type

References

Sources

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.