CVE-2023-47323: Silverpeas

High severity, CVSS 7.5. EPSS: 0.8% chance of exploitation in the next 30 days.

The notification/messaging feature of Silverpeas Core 6.3.1 does not enforce access control on the ID parameter. This allows an attacker to read all messages sent between other users; including those sent only to administrators.

Affected products

• Silverpeas Silverpeas: before 6.3.2 (fixed in 6.3.2)

Published 2023-12-13. Last modified 2026-07-09.