CVE-2024-8623 | MDTF – Meta Data and Taxonomies Filter <= 1.3.3.3 - Unauthenticated Arbitrary Shortcode Execution

The The MDTF – Meta Data and Taxonomies Filter plugin for WordPress is vulnerable to arbitrary shortcode execution in all versions up to, and including, 1.3.3.3. This is due to the software allowing users to execute an action that does not properly validate a value before running do_shortcode. This makes it possible for unauthenticated attackers to execute arbitrary shortcodes.

Published: 2024-09-23 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2024-8623 is rated Moderate Risk (42.9/100): CVSS High severity, with low exploitation likelihood (EPSS 0.62%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2024-8623

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 2.62% 0.62% -2.00%
2 2026-02-13 1.94% 2.62% +0.67%
3 2025-12-13 1.94%

Full EPSS history (24 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2024-8623

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.3 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:L)
Might cause slowdowns, glitches, or partial disruption—not a full brick.
3.9 3.4 [email protected]

Weakness enumeration for CVE-2024-8623

Affected software / configurations for CVE-2024-8623

Vendor Product Version Raw CPE
pluginus wordpress_meta_data_and_taxonomies_filter < 1.3.3.4 cpe:2.3:a:pluginus:wordpress_meta_data_and_taxonomies_filter:*:*:*:*:*:wordpress:*:*

References for CVE-2024-8623

cvelogic Threat Intelligence