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Fencer Vulns
high 8.8

CVE-2023-50038 json

There is an arbitrary file upload vulnerability in the background of textpattern cms v4.8.8, which leads to the loss of server permissions.

published 2023-12-28 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-54868

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits
0
none known

Summary

There is an arbitrary file upload vulnerability in the background of textpattern cms v4.8.8, which leads to the loss of server permissions.

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.81% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • cnblogs.com https://www.cnblogs.com/fengzun/articles/17862578.html 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

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.