Is CVE-2026-4136 actively exploited?

No active exploitation of CVE-2026-4136 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-4136 be exploited remotely?

Yes. CVE-2026-4136 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-4136?

CVE-2026-4136 has a CVSS score of 4.3 (MEDIUM).

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MEDIUM

CVE-2026-4136

CWE-640Published: March 20, 2026· Updated: Mar 20, 2026

4.3

CVSS v3.1

EPSS:0.03%probability of exploitation in 30 daysPercentile:6.6th

Official Description

The Membership Plugin – Restrict Content plugin for WordPress is vulnerable to Unvalidated Redirect in all versions up to, and including, 3.2.24. This is due to insufficient validation on the redirect url supplied via the 'rcp_redirect' parameter. This makes it possible for unauthenticated attackers to redirect users with the password reset email to potentially malicious sites if they can successfully trick them into performing an action.

NVD Source

Technical Analysis

CVE-2026-4136 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.