PT-2026-31218 · WordPress · Wp Simple Html Sitemap

Published 2026-04-08 · Updated 2026-04-12 · CVE-2026-39654

Positive Technologies (AI Summary)

CVSS v3.1

5.9

Medium

Base vector

AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L

Name of the Vulnerable Software and Affected Versions WP Simple HTML Sitemap versions through 3.8

Description The software contains a flaw due to improper handling of input during web page creation, leading to a Cross-site Scripting (XSS) issue. This specific instance is a DOM-Based XSS.

Recommendations Update WP Simple HTML Sitemap to a version newer than 3.8.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-39654

Affected Products

Wp Simple Html Sitemap

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-39654 · Security Note
• https://patchstack.com/database/Wordpress/Plugin/wp-simple-html-sitemap/vulnerability/wordpress-wp-simple-html-sitemap-plugin-3-8-cross-site-scripting-xss-vulnerability?_s_id=cve · Note
• https://twitter.com/CVEnew/status/2043368486857322519 · Twitter Post