High severity · published Apr 22, 2025
CVE-2025-2594
User Registration & Membership < 4.1.3 - Authentication Bypass
8.1
CVSS
9.5%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)9.5% · higher than 95% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UR
User Registration & Membership ·
before 4.1.3 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-2594
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-2594
Exploit
https://wpscan.com/vulnerability/1c1be47a-d5c0-4ac1-b9fd-475b382a7d8f/
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