CVE-2026-19660 Divi Membership WordPress plugin - Authentication Bypass

Divi Membership WordPress plugin <= 2.3.0 contains an authentication bypass caused by lack of validation in process_paypal_callback function, letting unauthenticated attackers log in as any user including admins, exploit requires crafted paypal_param GET parameter.

CVSS base score 9.8 /10
Critical
CISA KEV
Not listed
Public exploit
Proof of concept available
Authentication
Not required
EPSS
0.40% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Privilege Escalation
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2 October 2026
Updated
15 October 2026
Weakness
CWE-287

Vendor fix

Update to the latest version beyond 2.3.0.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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