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Fencer Vulns
critical 9.1

CVE-2023-47842 json

WordPress CataBlog plugin <= 1.7.0 - Arbitrary File Upload vulnerability

published 2024-03-26 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-51937

cvss
9.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 49%
public exploits
0
none known

Summary

Unrestricted Upload of File with Dangerous Type vulnerability in Zachary Segal CataBlog.This issue affects CataBlog: from n/a through 1.7.0.

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.60% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Affected products

  • Zachary Segal CataBlog
  • zacharysegal catablog

Classification

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

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.