CVE-2026-15930

9.4 criticalEPSS 0.4%

Critical (9.4). EPSS 0.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.4 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 36% of CVEs (scores of 2026-10-31)
CWE: CWE-862
Published: 2026-08-03
Modified: 2026-08-26
Record from: the NVD, synced 2026-10-19

References

https://wpscan.com/vulnerability/e46948f1-0e06-4e76-8fc8-df661eb786a5/

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