CVE-2026-88764

Summary

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.

Affected Software

VendorProductVersion RangeStatus
UnknownSimple Membership0 < 4.7.8affected

Weaknesses

  • CWE-269 Improper Privilege Management

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References