CVE-2025-2594: The User Registration & Membership WordPress plugin before 4.1.3 does not properly validate data in an AJAX ac

Q: How do I fix CVE-2025-2594?

user registration \& membership: upgrade to 4.1.3, 5.1.3. Exact commands for each OS are on this page.

Q: Is CVE-2025-2594 being exploited?

CVE-2025-2594 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-2594 affect?

CVE-2025-2594 affects user registration \& membership. Severity is high (CVSS 8.1). 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 usi

Q: How urgent is CVE-2025-2594?

Priority 62/100. High severity; EPSS top 5%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 8.1REMOTEUPGRADE

CVE-2025-2594 is a high-severity flaw (CVSS 8.1) affecting user registration \& membership. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
EPSS top 5%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	9.5% (top 5%)
CISA exploited list	No
Published	2025-04-22
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: wpeverest

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-04-22 06:15 UTCPublished CVE record published
2026-06-17 09:07 UTCUpdated Record last modified

wpeverest user registration \& membership UPGRADE

Affected: < 4.1.3 · < 5.1.3

Fixed in: 4.1.3, 5.1.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy user-registration--membership || rpm -q user-registration--membership || user-registration--membership --version

2. UPGRADE to 4.1.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade user-registration--membership

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade user-registration--membership

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: WordPress User Registration & Membership Plugin 4.1.2 - Authentication Bypass

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-2594?

user registration \& membership: upgrade to 4.1.3, 5.1.3. Exact commands for each OS are on this page.

Is CVE-2025-2594 being exploited?

CVE-2025-2594 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-2594 affect?

CVE-2025-2594 affects user registration \& membership. Severity is high (CVSS 8.1). 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 usi

How urgent is CVE-2025-2594?

Priority 62/100. High severity; EPSS top 5%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2025-3292 MEDIUM 4.3 UPGRADE The User Registration & Membership – Custom Registration Form, Login Form, and User Profile plugin for WordPre
CVE-2025-3282 MEDIUM 5.3 UPGRADE The User Registration & Membership – Custom Registration Form, Login Form, and User Profile plugin for WordPre
CVE-2025-39400 HIGH 7.1 UPGRADE Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in wpeveres
CVE-2025-30899 MEDIUM 5.9 UPGRADE Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in wpeveres
CVE-2025-2563 HIGH 8.1 UPGRADE The User Registration & Membership WordPress plugin before 4.1.2 does not prevent users to set their account

References

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