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Fencer Vulns
medium 5.4

CVE-2023-28664 json

The Meta Data and Taxonomies Filter WordPress plugin, in versions < 1.3.1, is affected by a reflected cross-site scripting vulnerability in…

published 2023-03-22 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-32325

cvss
5.4
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 38%
public exploits
0
none known

Summary

The Meta Data and Taxonomies Filter WordPress plugin, in versions < 1.3.1, is affected by a reflected cross-site scripting vulnerability in the 'tax_name' parameter of the mdf_get_tax_options_in_widget action, which can only be triggered by an authenticated user.

CISA SSVC

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

Exploit prediction

0.44% chance of exploitation in the next 30 days, higher than 38% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • tenable.com https://www.tenable.com/security/research/tra-2023-3 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CNA 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

  • n/a Meta Data and Taxonomies Filter WordPress Plugin

Classification

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