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MDTF – Meta Data and Taxonomies Filter <= 1.3.0.1 — Relected Cross-Site Scripting via 'tax_name'

CVE-2023-28664Published · Updated

Action summary

Affected: ≤1.3.0.1Update to 1.3.1 or newer

All remediation steps
Watch plugin
Severity
Medium6.1
CVSS
6.1
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:N Privileges required
None
UI:R User interaction
Required
S:C Scope
Changed
C:L Confidentiality
Low
I:L Integrity
Low
A:N Availability
None
Weakness
CWE-79 Cross-Site Scripting
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

MDTF – Meta Data and Taxonomies Filter wp-meta-data-filter-and-taxonomy-filter

  1. Affected≤ 1.3.0.1
  2. Patched in1.3.1

Update to 1.3.1 or newer.

You are affected if you run ≤ 1.3.0.1. Version 1.3.1 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under MDTF – Meta Data and Taxonomies Filter.
  • No admin access? Run a passive check of your site. It reads public files only.
  • No account is needed to exploit this. Treat any exposed site on an affected version as at risk.

What to do

  1. Update to version 1.3.1, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch MDTF – Meta Data and Taxonomies Filter to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Joshua Martinelle.

The MDTF – Meta Data and Taxonomies Filter plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the ‘tax_name’ parameter of the mdf_get_tax_options_in_widget AJAX action in versions up to, and including, 1.3.0.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in MDTF – Meta Data and Taxonomies Filter

All 25
More vulnerabilities in MDTF – Meta Data and Taxonomies Filter
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting via 'vars' Parameter
≤1.4.1Update to 1.4.2
CVE-2026-110776
Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤1.4.0Update to 1.4.1
CVE-2026-108175
Critical9.8Unauthenticated Remote Code Execution
≤1.3.9Update to 1.4.0
CVE-2026-108151
High8.1Unauthenticated Local File Inclusion
≤1.3.8Update to 1.3.9
CVE-2026-54845
High7.5Unauthenticated SQL Injection
≤1.3.7Update to 1.3.8
CVE-2026-54843

Same weakness (Cross-Site Scripting)

All Cross-Site Scripting
Other Cross-Site Scripting vulnerabilities
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup≤5.25.25Update to 5.26.45
CVE-2026-120688
Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder≤1.0.2Update to 1.1
CVE-2026-125055
Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System≤3.3.9Update to 3.4.0
CVE-2026-119077
Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce≤5.127.0Update to 5.128.0
CVE-2026-121518

Timeline

  1. CVE published

    Severity medium, CVSS 6.1

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
CVE® identifiers
[object Object]. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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