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9.4 Critical

CVE-2026-15930 The Simple Membership WordPress plugin before 4.7.8 does not verify whether user creation failed during registration…

Description

The Simple Membership WordPress plugin before 4.7.8 does not verify whether user creation failed during registration before using the returned value as a user ID to update an account, allowing unauthenticated attackers to overwrite the primary administrator's account data (including the email address) and take over that account through the password reset flow.

Affected products and versions

Product Affected versions Fixed in
Simple Membership 4.7 earliest → < 4.7.8 4.7.8

References

Timeline

  1. Published
  2. Last modified

Other CVEs of Simple Membership

The 12 CVEs of Simple Membership →
CVE-2026-88785 The Simple Membership WordPress plugin before 4.8.3 does not avoid transmitting a newly registered member's plaintext… 4.7 Medium CVE-2026-88764 The Simple Membership WordPress plugin before 4.7.8 does not validate that the membership level supplied in a PayPal… 5.4 Medium CVE-2026-14936 The Simple Membership WordPress plugin before 4.7.7 does not verify that a PayPal payment notification was sent to the… 5.3 Medium CVE-2026-15931 The Simple Membership WordPress plugin before 4.7.8 does not sanitise a subscriber name value received from an… 6.1 Medium
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