Vulnerability · Published Jul 24, 2026 · Assigned by Wordfence
CVE-2026-15653Visualizer <= 4.0.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'backend-title' Parameter
Medium 6.4
In plain English
A medium-severity cross-site scripting in Visualizer – Tables & Charts Manager with Built-in AI Generator from themeisle. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities).
Official description
The Visualizer – Tables & Charts Manager with Built-in AI Generator plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'backend-title' parameter in all versions up to, and including, 4.0.5 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| themeisle | Visualizer – Tables & Charts Manager with Built-in AI Generator | 0 – through 4.0.5 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/914554fd-1525-4925-bce4-2df4a8df5dbf?source=cve
- https://plugins.trac.wordpress.org/browser/visualizer/tags/4.0.5/classes/Visualizer/Render/Page/Data.php#L96
- https://plugins.trac.wordpress.org/browser/visualizer/tags/4.0.5/classes/Visualizer/Module/Chart.php#L826
- https://plugins.trac.wordpress.org/browser/visualizer/tags/4.0.5/classes/Visualizer/Module/Chart.php#L553
- https://plugins.trac.wordpress.org/changeset?reponame=&old=3619025%40visualizer&new=3619025%40visualizer