CVE-2023-4560: Omeka S

Medium severity, CVSS 6.5. EPSS: 0.7% chance of exploitation in the next 30 days.

Improper Authorization of Index Containing Sensitive Information in GitHub repository omeka/omeka-s prior to 4.0.4.

Affected products

• Omeka Omeka S: before 4.0.4 (fixed in 4.0.4)

Published 2023-08-28. Last modified 2026-06-17.