What is CVE-2025-39413?

CVE-2025-39413 is a medium-severity vulnerability in David Gwyer Simple Sitemap – Create A Responsive HTML, classified under Missing Authorization. CVSS score: 4.3/10. Published 2025-04-30.

How severe is CVE-2025-39413?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in David Gwyer Simple Sitemap – Create A Responsive HTML

CVE-2025-39413

Missing Authorization vulnerability in David Gwyer Simple Sitemap – Create a Responsive HTML Sitemap simple-sitemap.This issue affects Simple Sitemap – Create a Responsive HTML Sitemap: from n/a through <= 3.6.0.

Vulnerability class: Broken Access Control

Published 2025-04-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (30.6th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000

Affected products

David Gwyer Simple Sitemap – Create A Responsive HTML — versions 0
Wpgoplugins Simple Sitemap

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

patchstack.com/database/Wordpress/Plugin/simple-sitemap/vulnerability/wordpress… (Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2025-39413?: CVE-2025-39413 is a medium-severity vulnerability in David Gwyer Simple Sitemap – Create A Responsive HTML, classified under Missing Authorization. CVSS score: 4.3/10. Published 2025-04-30.
How severe is CVE-2025-39413?: Medium severity. CVSS v3 base score is 4.3 out of 10.