What is CVE-2025-3748?

CVE-2025-3748 is a medium-severity vulnerability in Pluginus Taxonomy Chain Menu, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2025-05-02.

How severe is CVE-2025-3748?

Medium severity. CVSS v3 base score is 6.4 out of 10.

XSS in Pluginus Taxonomy Chain Menu

CVE-2025-3748

The Taxonomy Chain Menu plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's pn_chain_menu shortcode in all versions up to, and including, 1.0.8 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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (15.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Pluginus Taxonomy_chain_menu
Realmag777 Taxonomy Chain Menu — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security@wordfence.com (Third Party Advisory)
security@wordfence.com (Product)
security@wordfence.com (Product)
security@wordfence.com (Patch)

Frequently asked questions

What is CVE-2025-3748?: CVE-2025-3748 is a medium-severity vulnerability in Pluginus Taxonomy Chain Menu, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2025-05-02.
How severe is CVE-2025-3748?: Medium severity. CVSS v3 base score is 6.4 out of 10.