WordPress security changelog
MEDIUM CVE-2026-24573 Deferred

Visualizer: Cross-site scripting

Visualizer is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed. The published affected range is n/a to < 4.0.0.

CVE / CNA score 6.5 CVSS 3.1 · audit@patchstack.com
NVD score Pending NVD has not published its own CVSS assessment.
Component
Visualizer
Plugin slug
visualizer
Affected
n/a to < 4.0.0
Safe version
4.0.0
Published
May 20, 2026
Weakness
CWE-79 — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

This CVE was published May 20, 2026 and is one of 13 known issues for this plugin.

Patch or disable the affected component.

Update Visualizer to 4.0.0 or later, or disable and remove it until a fixed version is available.

Technical description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Themeisle Visualizer allows Stored XSS. This issue affects Visualizer: from n/a before 4.0.0.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

Primary and upstream sources