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Fencer Intel
medium 5.4

CVE-2021-24365 json

Admin Columns Free (< 4.3.2) & Pro (< 5.5.2) - Authenticated Stored Cross-Site Scripting (XSS) in Custom Field

published 5y ago modified 4mo ago also EUVD-2021-11278

cvss
5.4
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 60%
public exploits
0
none known

Summary

The Admin Columns WordPress plugin Free before 4.3.2 and Pro before 5.5.2 allowed to configure individual columns for tables. Each column had a type. The type "Custom Field" allowed to choose an arbitrary database column to display in the table. There was no escaping applied to the contents of "Custom Field" columns.

Patch / fix

  • admincolumns admin_columns 4.3.2, 5.5.2

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Exploit prediction

0.93% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • wpscan.com https://wpscan.com/vulnerability/fdbeb137-b404-46c7-85fb-394a3bdac388 referenced PoC, tagged "exploit" by a source, unverified
  • syss.de https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-032.txt referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:N/I:P/A:N

Affected products

  • AdminColumns Admin Columns
  • AdminColumns Admin Columns Pro

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation
Technology feeds

References

Sources

Fencer Intel 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.