CVE-2023-23654: Messagebird Sparkpost

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

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in SparkPost plugin <= 3.2.5 versions.

Affected products

• Messagebird Sparkpost: up to and including 3.2.5

Published 2023-05-15. Last modified 2026-06-17.