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Vulnerabilities of Unknown Simple Membership

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CVE Summary Score Published
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 Oct 11, 2026
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 Sep 13, 2026
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 Aug 6, 2026
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 Aug 3, 2026
CVE-2026-15930 The Simple Membership WordPress plugin before 4.7.8 does not verify whether user creation failed during registration… 9.4 Critical Aug 3, 2026
CVE-2026-11855 The Simple Membership WordPress plugin before 4.7.5 does not verify the authenticity of Stripe webhook requests when… 8.8 High Jul 6, 2026
CVE-2022-4469 The Simple Membership WordPress plugin before 4.2.2 does not validate and escape some of its shortcode attributes before… 5.4 Medium Jan 16, 2023
CVE-2022-2317 The Simple Membership WordPress plugin before 4.1.3 allows user to change their membership at the registration stage due… Not rated Aug 1, 2022
CVE-2022-2273 The Simple Membership WordPress plugin before 4.1.3 does not properly validate the membership_level parameter when… Not rated Aug 1, 2022
CVE-2022-1724 The Simple Membership WordPress plugin before 4.1.1 does not properly sanitise and escape parameters before outputting… Not rated Jun 13, 2022
CVE-2022-0681 The Simple Membership WordPress plugin before 4.1.0 does not have CSRF check in place when deleting Transactions,… Not rated Mar 21, 2022
CVE-2022-0328 The Simple Membership WordPress plugin before 4.0.9 does not have CSRF check when deleting members in bulk, which… Not rated Feb 28, 2022

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