CVE-2023-23816: Sitemap Index Project Sitemap Index

Medium severity, CVSS 4.8. EPSS: 0.4% chance of exploitation in the next 30 days.

Auth. (admin+) Cross-Site Scripting (XSS) vulnerability in Twardes Sitemap Index plugin <= 1.2.3 versions.

Affected products

• Sitemap Index Project Sitemap Index: up to and including 1.2.3

Published 2023-04-23. Last modified 2026-06-17.