Is CVE-2026-1831 actively exploited?

No active exploitation of CVE-2026-1831 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-1831 be exploited remotely?

Yes. CVE-2026-1831 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-1831?

CVE-2026-1831 has a CVSS score of 2.7 (LOW) and an EPSS exploitation probability of 0.01%.

HOME VULNERABILITIESCVE-2026-1831

LOW

CVE-2026-1831

CWE-862Published: February 18, 2026· Updated: Feb 18, 2026

2.7

CVSS v3.1

EPSS:0.01%probability of exploitation in 30 daysPercentile:0.8th

Official 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.

NVD Source

Technical Analysis

CVE-2026-1831 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.