CVE-2026-14565 Advanced Customized Prompts <= 1.0.1 - Subscriber+ Stored XSS via Product Popup Configuration

Medium 5.4 Published Updated

Authenticated users can inject malicious JavaScript into product popups, leading to stored XSS attacks against site visitors.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-14565?

CVE-2026-14565 is a medium-severity cross-site scripting vulnerability in Unknown advanced-customized-prompts, published on 11 Sep 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

The advanced-customized-prompts WordPress plugin through 1.0.1 does not perform any capability, ownership, or nonce check before saving popup configuration to a product, nor escape the stored values on output, allowing any authenticated user such as a subscriber to store JavaScript that executes in the browser of visitors viewing the affected product.

Weakness: CWE-79

Which versions are affected by CVE-2026-14565?

How do I fix CVE-2026-14565?

No fix has been published for CVE-2026-14565 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-2026-14565 being exploited?

There is no known exploitation of CVE-2026-14565 in the wild and no public exploit code.

Sources

Also known as GHSA-prhq-gjf4-2hw3.

Is CVE-2026-14565 in your software?

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