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

High 7.1 Published Updated

Unauthenticated attackers can execute arbitrary scripts in the context of authenticated users, including administrators, via a crafted URL in the weMail 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
Fix
None listed

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

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.

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-2026-8089 being exploited?

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

Public exploit code: 1 Nuclei template.

Sources

Also known as GHSA-vh7g-m9x8-4vpv.

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