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Fencer Vulns
medium 6.5

CVE-2023-1623 json

Custom Post Type UI < 1.13.5 - Debug Info Sending via CSRF

published 2023-04-24 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-23855

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 29%
public exploits
0
none known

Summary

The Custom Post Type UI WordPress plugin before 1.13.5 does not properly check for CSRF when sending the debug information to a user supplied email, which could allow attackers to make a logged in admin send such information to an arbitrary email address via a CSRF attack.

Patch / fix

  • Unknown Custom Post Type UI 1.13.5

CISA SSVC

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

Exploit prediction

0.35% chance of exploitation in the next 30 days, higher than 29% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • wpscan.com https://wpscan.com/vulnerability/a04d3808-f4fc-4d77-a1bd-be623cd7053e referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Affected products

  • Unknown Custom Post Type UI

Classification

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.