How serious is CVE-2026-1937?

This vulnerability has a CVSS score of 9.8 out of 10, classified as CRITICAL severity. Proof-of-concept exploit code is publicly available, making this an active threat.

Is there exploit code available for CVE-2026-1937?

Yes, proof-of-concept exploit code for CVE-2026-1937 is publicly available on GitHub and security research platforms. This increases the risk of active exploitation.

Which products are affected by CVE-2026-1937?

Check the official CVE details for a complete list of affected products and versions.

How do I fix CVE-2026-1937?

To remediate CVE-2026-1937, check for security patches from the vendor. Apply all available updates and security patches. If no patch is available, implement recommended workarounds or security controls to mitigate the risk.

CVE-2026-1937

Critical

|9.8

Exploit Available

Plain English Summary

AI-powered analysis for quick understanding

This vulnerability allows attackers with Shop Manager-level access or higher to change important settings on a WordPress site, potentially giving them administrative access. They can exploit this flaw to allow new users to register as administrators, which could lead to full control over the site.

Technical Description

The YayMail – WooCommerce Email Customizer plugin for WordPress is vulnerable to unauthorized modification of data that can lead to privilege escalation due to a missing capability check on the `yaymail_import_state` AJAX action in all versions up to, and including, 4.3.2. This makes it possible for authenticated attackers, with Shop Manager-level access and above, to update arbitrary options on the WordPress site. This can be leveraged to update the default role for registration to administrator and enable user registration for attackers to gain administrative user access to a vulnerable site.

CVSS Vector Analysis

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

Confidentiality ImpactHigh

Integrity ImpactHigh

Availability ImpactHigh

ScopeUnchanged

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Resources

Search for proof-of-concept code and exploit modules

GitHub Search Exploit-DB Nuclei Templates Metasploit Vulners

Official References

NIST NVD

Est. Bounty

$13,000($5K-$15K)

Vendor Response

Grade APatched in 0 days

Quick Information

Published

Feb 18, 2026

about 2 months ago

Last Modified

Feb 18, 2026

about 2 months ago