CVE-2023-31754: Optimizely CMS

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

Optimizely CMS UI before v12.16.0 was discovered to contain a cross-site scripting (XSS) vulnerability via the Admin panel.

Affected products

  • Optimizely Optimizely CMS: before 12.16.0 (fixed in 12.16.0)

Published 2023-11-14. Last modified 2026-06-17.