Is CVE-2026-4888 actively exploited?

No active exploitation of CVE-2026-4888 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-4888 be exploited remotely?

Yes. CVE-2026-4888 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-4888?

CVE-2026-4888 has a CVSS score of 4.3 (MEDIUM).

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MEDIUM

CVE-2026-4888

CWE-862Published: May 28, 2026· Updated: May 28, 2026

4.3

CVSS v3.1

EPSS:0.01%probability of exploitation in 30 daysPercentile:0.9th

Official Description

The Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder plugin for WordPress is vulnerable to unauthorized email sending due to a missing capability check on the send_test_email() function in all versions up to, and including, 3.4.7. This makes it possible for authenticated attackers, with Subscriber-level access and above, to send test emails to arbitrary addresses from the server.

NVD Source

Technical Analysis

CVE-2026-4888 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

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