CVE-2023-40553: Plausible Analytics

Medium severity, CVSS 6.1. EPSS: 0.3% chance of exploitation in the next 30 days.

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in Plausible.Io Plausible Analytics plugin <= 1.3.3 versions.

Affected products

• Plausible Plausible Analytics: up to and including 1.3.3

Published 2023-09-06. Last modified 2026-06-17.