The MDTF – Meta Data and Taxonomies Filter plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'mdf_results_by_ajax' shortcode in all versions up to, and including, 1.3.3.6 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Conclusion & alert: CVE-2024-13340 is rated Moderate Risk (42.6/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.25%). 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.
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 | 2026-03-03 | 0.08% | 0.25% | +0.17% |
| 2 | 2025-11-21 | 0.16% | 0.08% | -0.08% |
| 3 | 2025-11-18 | — | 0.16% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.4 | 3.1 | MEDIUM |
|
3.1 | 2.7 | [email protected] |
| 5.4 | 3.1 | MEDIUM |
|
2.3 | 2.7 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| pluginus | meta_data_and_taxonomies_filter | < 1.3.3.7 | cpe:2.3:a:pluginus:meta_data_and_taxonomies_filter:*:*:*:*:*:wordpress:*:* |