CVE-2026-15653 Visualizer <= 4.0.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'backend-title' Parameter
Authenticated contributors can inject arbitrary scripts via the backend-title parameter, leading to script execution for other users.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-15653?
CVE-2026-15653 is a medium-severity cross-site scripting vulnerability in themeisle Visualizer – Tables & Charts Manager with Built-in AI Generator, published on 24 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
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.
Weakness: CWE-79
Which versions are affected by CVE-2026-15653?
How do I fix CVE-2026-15653?
No fix has been published for CVE-2026-15653 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-15653 being exploited?
There is no known exploitation of CVE-2026-15653 in the wild and no public exploit code.
Sources
Also known as GHSA-rpx9-q8jg-qm8q.