8.8

CVE-2025-39413: david gwyer simple sitemap – create a responsive html sitemap Missing Authorization

CVSS: 8.8v3.1HighModified
Published 30-04-2025Last modified 28-04-2026
Open JSON

Vulnerability summary

CVE-2025-39413 is a high (CVSS 8.8) Missing Authorization vulnerability in david gwyer simple sitemap – create a responsive html sitemap. EPSS estimates a 0.39% chance of exploitation in the next 30 days, higher than 31.6% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (NVD)
EPSS score
0.39%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 30-04-2025
    PublishedVulnerability first disclosed.
  2. 28-04-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.39%

Chance of exploitation in the next 30 days

Percentile

32%

Versus all other CVEs

30-day change

+0.02 pp

From 0.37% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.39%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

David gwyer1 product
Wordpress1 product
  • simple-sitemap≤ 3.6.0 (fixed in 3.6.1)
Wpgoplugins1 product

3 vendors · 3 products

References

2 links