# CVE-2026-8089: weMail < 2.1.3 - Reflected Cross-Site Scripting

> Unauthenticated attackers can execute arbitrary scripts in the context of authenticated users, including administrators, via a crafted URL in the weMail plugin.

- **Severity:** High 7.1 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L`)
- **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
- **Fix available:** No
- **Published:** 17 Jun 2026
- **Updated:** 17 Jun 2026
- **Also known as:** GHSA-vh7g-m9x8-4vpv

## What is CVE-2026-8089?

CVE-2026-8089 is a high-severity cross-site scripting vulnerability in Unknown weMail: Email Marketing, Email Automation, Newsletters, Subscribers & Email Optins for WooCommerce, published on 17 Jun 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 weMail: Email Marketing, Email Automation, Newsletters, Subscribers & Email Optins for WooCommerce WordPress plugin before 2.1.3 does not properly escape a user-supplied parameter before reflecting it into an HTML attribute on a non-nonce-protected AJAX response, allowing unauthenticated attackers to deliver Reflected Cross-Site Scripting against any authenticated user (including administrators) via a crafted URL.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2026-8089?


## How do I fix CVE-2026-8089?

No fix has been published for CVE-2026-8089 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-8089 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-8089 exists.

Public exploit code:

- WordPress weMail < 2.1.3 - Cross-Site Scripting (nuclei): http/cves/2026/CVE-2026-8089.yaml

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-8089 and fix it if it is affected.

What it is: CVE-2026-8089 is a high-severity cross-site scripting vulnerability in Unknown weMail: Email Marketing, Email Automation, Newsletters, Subscribers & Email Optins for WooCommerce, published on 17 Jun 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: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-8089 exists.

Affected product: Unknown weMail: Email Marketing, Email Automation, Newsletters, Subscribers & Email Optins 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-2026-8089/ (Markdown: https://insights.sbomify.com/CVE-2026-8089/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-8089
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-8089
- OSV: https://osv.dev/vulnerability/CVE-2026-8089

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-8089/
Summaries are generated and may contain mistakes; the official description above is the record.