CVE-2026-86779: Unknown Visualizer

Low severity, CVSS 2.7. EPSS: 0.3% chance of exploitation in the next 30 days.

The Visualizer WordPress plugin before 4.0.6 does not properly authorise chart-deletion requests, performing only a site-wide capability check with no per-object ownership verification, allowing users with the Contributor role and above to permanently delete any chart on the site, including charts created by other users such as administrators.

Affected products

  • Unknown Visualizer: before 4.0.6 (fixed in 4.0.6)

Published 2026-09-11. Last modified 2026-09-11.