CVE-2026-123134 Smoove Abandoned Cart Trigger for WooCommerce 4.0.0 - 4.3.5 - Unauthenticated Stored XSS

High 8.8 Published Updated

Unauthenticated visitors can store scripts in abandoned-cart data that execute in administrators' browsers in the Smoove WooCommerce plugin.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Harmful if only installed
No
Needs a specific call
No
Fix
None listed

What is CVE-2026-123134?

CVE-2026-123134 is a high-severity cross-site scripting vulnerability in Unknown Smoove abandoned cart trigger for WooCommerce, published on 11 Nov 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

The Smoove abandoned cart trigger for WooCommerce WordPress plugin before 4.3.6 does not sanitise and escape abandoned-cart data submitted by visitors before outputting it in the admin dashboard, allowing unauthenticated users to perform Stored Cross-Site Scripting attacks against administrators.

Weakness: CWE-79

Which versions are affected by CVE-2026-123134?

An affected version is exposed as installed. No special setting or call is needed.

How do I fix CVE-2026-123134?

No fix has been published for CVE-2026-123134 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-2026-123134 being exploited?

There is no known exploitation of CVE-2026-123134 in the wild and no public exploit code.

Sources

Also known as GHSA-f5q9-9f53-pc34.

Is CVE-2026-123134 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free