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

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

- **Severity:** High 8.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H`)
- **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 available:** No
- **Published:** 11 Nov 2026
- **Updated:** 11 Nov 2026
- **Also known as:** GHSA-f5q9-9f53-pc34

## 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 (Improper Neutralization of Input During Web Page Generation)

## 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.

## Is CVE-2026-123134 being exploited?

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

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-123134 and fix it if it is affected.

What it is: 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.
Exploitation: There is no known exploitation of CVE-2026-123134 in the wild and no public exploit code.
Exposure: An affected version is exposed as installed. No special setting or call is needed.

Affected product: Unknown Smoove abandoned cart trigger for WooCommerce. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-123134/ (Markdown: https://insights.sbomify.com/CVE-2026-123134/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-123134
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-123134
- OSV: https://osv.dev/vulnerability/CVE-2026-123134

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-123134/
Summaries are generated and may contain mistakes; the official description above is the record.