Auth bypass in Visualizer

CVE-2026-86779

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.

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N.

Affected products

  • Unknown Visualizer

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-86779?
CVE-2026-86779 is a low-severity vulnerability in Visualizer, classified under Missing Authorization. CVSS score: 2.7/10. Published 2026-09-11.
How severe is CVE-2026-86779?
Low severity. CVSS v3 base score is 2.7 out of 10.