What is CVE-2026-1866?

CVE-2026-1866 is a high-severity vulnerability in Jeroenpeters1986 Name Directory, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2026-02-10.

How severe is CVE-2026-1866?

High severity. CVSS v3 base score is 7.2 out of 10.

XSS in Jeroenpeters1986 Name Directory

CVE-2026-1866

The Name Directory plugin for WordPress is vulnerable to Stored Cross-Site Scripting via double HTML-entity encoding in all versions up to, and including, 1.32.0. This is due to the plugin's sanitization function calling `html_entity_decode()` before `wp_kses()`, and then calling `html_entity_decode()` again on output. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page via the 'name_directory_name' and 'name_directory_description' parameters in the public submission form granted they can trick the site administrator into approving their submission or auto-publish is enabled.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (17.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.

Affected products

Jeroenpeters1986 Name Directory — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2026-1866?: CVE-2026-1866 is a high-severity vulnerability in Jeroenpeters1986 Name Directory, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2026-02-10.
How severe is CVE-2026-1866?: High severity. CVSS v3 base score is 7.2 out of 10.