CVE-2023-47320: Silverpeas

High severity, CVSS 8.1. EPSS: 0.7% chance of exploitation in the next 30 days.

Silverpeas Core 6.3.1 is vulnerable to Incorrect Access Control. An attacker with low privileges is able to execute the administrator-only function of putting the application in "Maintenance Mode" due to broken access control. This makes the application unavailable to all users. This affects Silverpeas Core 6.3.1 and below.

Affected products

• Silverpeas Silverpeas: before 6.3.2 (fixed in 6.3.2)

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