CVE-2025-39413

WordPress Simple Sitemap – Create a Responsive HTML Sitemap plugin <= 3.6.0 - Broken Access Control vulnerability

4.3 Medium

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: Low
Availability: None

Exploit likelihood

0.40%Up 0.4 points since May 1, 2025

What each source reports

CVE List Score used 4.3

WordPress Simple Sitemap – Create a Responsive HTML Sitemap plugin <= 3.6.0 - Broken Access Control vulnerability

Record: CVE-2025-39413
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness: CWE-862
Updated: 2026-11-02

EUVDEUVD-2025-12768 4.3

Record: EUVD-2025-12768
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-mpc5-8rvq-8qfx 4.3

Missing Authorization vulnerability in David Gwyer Simple Sitemap – Create a Responsive HTML...

Missing Authorization vulnerability in David Gwyer Simple Sitemap – Create a Responsive HTML Sitemap.This issue affects Simple Sitemap – Create a Responsive HTML Sitemap: from n/a through 3.5.14.

Record: GHSA-mpc5-8rvq-8qfx
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness: CWE-862
Updated: 2026-11-02

NVD 4.3

Record: CVE-2025-39413
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-862
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-39413 is a medium vulnerability (CVSS 4.3) in David Gwyer Simple Sitemap – Create A Responsive Html Sitemap, published April 30, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.40%, the 34th percentile. No source names a fixed version.