Medium severity5.4NVD Advisory· Published Sep 13, 2026· Updated Sep 14, 2026
CVE-2026-88764
CVE-2026-88764
Description
The Simple Membership WordPress plugin before 4.7.8 does not validate that the membership level supplied in a PayPal payment notification matches the level configured for the paid payment button, allowing members to pay for a lower-priced membership while being granted a higher, more privileged membership level.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: <4.7.8
Patches
Vulnerability mechanics
References
1News mentions
1- Wordfence Intelligence Weekly WordPress Vulnerability Report (September 7, 2026 to September 13, 2026)Wordfence Blog · Sep 17, 2026