CVE-2025-2594 | User Registration & Membership < 4.1.3 - Authentication Bypass

Exp

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.

Published: 2025-04-22 Last update: 2025-09-30 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2025-2594 is rated High Exploit Risk (86.2/100): CVSS High severity, with high exploitation likelihood (EPSS 28.45%, 97th percentile). 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +12.12% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2025-2594

EDB-ID Source Kind Published Link
52302 exploit_db edb 2025-05-25 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2025-2594

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-31 16.32% 28.45% +12.12%
2 2026-05-11 12.00% 16.32% +4.32%
3 2026-05-10 — 12.00% —

Full EPSS history (20 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-2594

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.1 3.1 HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:H)
Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.2 5.9 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2025-2594

Affected software / configurations for CVE-2025-2594

Vendor Product Version Raw CPE
wpeverest user_registration_\&_membership < 4.1.3 cpe:2.3:a:wpeverest:user_registration_\&_membership:*:*:*:*:free:wordpress:*:*
wpeverest user_registration_\&_membership < 5.1.3 cpe:2.3:a:wpeverest:user_registration_\&_membership:*:*:*:*:pro:wordpress:*:*

References for CVE-2025-2594

cvelogic Threat Intelligence