CVE-2015-4038

Exp

The WP Membership plugin 1.2.3 for WordPress allows remote authenticated users to gain administrator privileges via an iv_membership_update_user_settings action to wp-admin/admin-ajax.php.

Published: 2015-06-03 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-4038 is rated High Exploit Risk (70.3/100): CVSS Medium severity, with high exploitation likelihood (EPSS 8.31%, 94th percentile). 2 public exploit reference(s) are indexed (Exploit-DB). 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-2015-4038

EDB-ID Source Kind Published Link
37074 exploit_db edb 2015-05-21 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2015-4038

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 2026-06-15 11.97% 8.31% -3.66%
2 2025-07-25 13.15% 11.97% -1.17%
3 2025-05-21 — 13.15% —

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-4038

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 2.0 MEDIUM
AV:N/AC:L/Au:S/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.0 6.4 [email protected]

Weakness enumeration for CVE-2015-4038

Affected software / configurations for CVE-2015-4038

Vendor Product Version Raw CPE
wpmembership wpmembership 1.2.3 cpe:2.3:a:wpmembership:wpmembership:1.2.3:*:*:*:*:wordpress:*:*

References for CVE-2015-4038

cvelogic Threat Intelligence