How serious is CVE-2026-1831?

This vulnerability has a CVSS score of 2.7 out of 10, classified as LOW severity. Proof-of-concept exploit code is publicly available, making this an active threat.

Is there exploit code available for CVE-2026-1831?

Yes, proof-of-concept exploit code for CVE-2026-1831 is publicly available on GitHub and security research platforms. This increases the risk of active exploitation.

Which products are affected by CVE-2026-1831?

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

How do I fix CVE-2026-1831?

To remediate CVE-2026-1831, 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-2026-1831

Low

|2.7

Exploit Available

Plain English Summary

AI-powered analysis for quick understanding

This vulnerability allows an attacker with Shop Manager-level access or higher to install and activate the YaySMTP plugin on a WordPress site without proper authorization. This could lead to unauthorized changes in email settings and potential exploitation of the site’s email functionality.

Technical Description

The YayMail - WooCommerce Email Customizer plugin for WordPress is vulnerable to unauthorized plugin installation and activation due to missing capability checks on the 'yaymail_install_yaysmtp' AJAX action and `/yaymail/v1/addons/activate` REST endpoint 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 install and activate the YaySMTP plugin.

CVSS Vector Analysis

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

Confidentiality ImpactNone

Integrity ImpactLow

Availability ImpactNone

ScopeUnchanged

Vector String

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

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

$374($100-$500)

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