Is CVE-2026-2356 actively exploited?

No active exploitation of CVE-2026-2356 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-2356 be exploited remotely?

Yes. CVE-2026-2356 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-2356?

CVE-2026-2356 has a CVSS score of 5.3 (MEDIUM) and an EPSS exploitation probability of 0.03%.

HOME VULNERABILITIESCVE-2026-2356

MEDIUM

CVE-2026-2356

CWE-284Published: February 26, 2026· Updated: Feb 27, 2026

5.3

CVSS v3.1

EPSS:0.03%probability of exploitation in 30 daysPercentile:7.6th

Official Description

The User Registration & Membership – Custom Registration Form, Login Form, and User Profile plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 5.1.2 via the 'register_member' function, due to missing validation on the 'member_id' user controlled key. This makes it possible for unauthenticated attackers to delete arbitrary user accounts that newly registered on the site who has the 'urm_user_just_created' user meta set.

NVD Source

Technical Analysis

CVE-2026-2356 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.