CVE-2025-58047: Plone Volto

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

Volto is a React based frontend for the Plone Content Management System. In versions from 19.0.0-alpha.1 to before 19.0.0-alpha.4, 18.0.0 to before 18.24.0, 17.0.0 to before 17.22.1, and prior to 16.34.0, an anonymous user could cause the NodeJS server part of Volto to quit with an error when visiting a specific URL. The problem has been patched in versions 16.34.0, 17.22.1, 18.24.0, and 19.0.0-alpha.4. To mitigate downtime, have setup automatically restart processes that quit with an error.

Affected products

• Plone Volto: before 16.34.0 (fixed in 16.34.0); from 17.0.0, before 17.22.1 (fixed in 17.22.1); from 18.0.0, before 18.24.0 (fixed in 18.24.0); from 19.0.0-alpha.1, before 19.0.0-alpha.4 (fixed in 19.0.0-alpha.4)

Published 2025-08-28. Last modified 2026-09-26.