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Vulnerabilities

Vulnerability · CVE-2025-2594

The User Registration & Membership WordPress plugin before 4.1.3 does not properly validate data in an AJAX action when the Membership Addon is enabled, allowing attackers to authe

Published Apr 22, 2025 · catalog updated Aug 27, 2025 · Unknown User Registration & Membership

Check if you run it

No confirmed exploitation is on record for CVE-2025-2594. EPSS is 9.52%. Act only if a listed version of Unknown User Registration & Membership is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
9.52%
Remediation
Version ranges on file
Affected products
vendor Unknown User Registration & Membership 0 <4.1.3

The User Registration & Membership WordPress plugin before 4.1.3 does not properly validate data in an AJAX action when the Membership Addon is enabled, allowing attackers to authenticate as any user, including administrators, by simply using the target account's user ID.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Unknown User Registration & Membership 0 <4.1.30 <4.1.3

How to fix CVE-2025-2594

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-2594. EPSS is 9.52%. Act only if a listed version of Unknown User Registration & Membership is installed.

Which versions are affected?

Compare what you have installed with Unknown User Registration & Membership 0 <4.1.3 0 <4.1.3. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 9.52%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

WordPress security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 22, 2025 · EUVD

    Detected

    The User Registration & Membership WordPress plugin before 4.1.3 does not properly validate data in an AJAX action when the Membership Addon is enabled, allowing attackers to authenticate as any user, including administrators, by simply using the target account's user ID.

  2. Aug 27, 2025 · EUVD

    Updated

    The User Registration & Membership WordPress plugin before 4.1.3 does not properly validate data in an AJAX action when the Membership Addon is enabled, allowing attackers to authenticate as any user, including administrators, by simply using the target account's user ID.

Sources

  • CVE.orgVulnerability recordCVE-2025-2594

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-2594

    30-day exploitation probability 9.5%

    first.org
  • EUVDVulnerability recordEUVD-2025-12286

    The User Registration & Membership WordPress plugin before 4.1.3 does not properly validate data in an AJAX action when the Membership Addon is enabled, allowing attackers to authenticate as any user, including administrators, by simply using the target account's user ID.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.