Is CVE-2025-4334 actively exploited?

No active exploitation of CVE-2025-4334 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2025-4334 be exploited remotely?

Yes. CVE-2025-4334 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2025-4334?

CVE-2025-4334 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2025-4334

CWE-269Published: June 26, 2025· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

The Simple User Registration plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 6.3. This is due to insufficient restrictions on user meta values that can be supplied during registration. This makes it possible for unauthenticated attackers to register as an administrator.

NVD Source

Risk Analysis

The Simple User Registration plugin for WordPress allows unauthenticated attackers to register as administrators due to insufficient input validation. This critical privilege escalation vulnerability grants full control over the affected WordPress site.

The vulnerability is remotely exploitable with low complexity, but no public exploit is known and it is not in the KEV.

Recommended Action

Update the Simple User Registration plugin to a version beyond 6.3.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2025-4334 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.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.