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Fencer Intel
medium 6.5

CVE-2015-4038 json

The WP Membership plugin 1.2.3 for WordPress allows remote authenticated users to gain administrator privileges via an iv_membership_update…

published 2015-06-03 11 y ago modified 2026-06-17 4 mo ago also EUVD-2015-4066

cvss
6.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
8.3%
EPSS 8.3% chance of exploitation in 30 days, percentile 94%
public exploits
1
Exploit-DB

Summary

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.

Timeline

  1. First public exploit (EDB-37074)
  2. Published

Exploit prediction

8.25% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-37074 WordPress Plugin WP Membership 1.2.3 - Multiple Vulnerabilities webapps, 2015-05-21
  • packetstormsecurity.com http://packetstormsecurity.com/files/132012/WordPress-WP-Membership-1.2.3-Privilege-Escalation.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.