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    CVE-2026-12688

    The ProfileGrid WordPress plugin before 5.9.9.7 does not verify PayPal IPN notifications before granting paid group membership, allowing unauthenticated attackers to forge a payment notification and mark any user as a paid member of any group without any payment being made.

    Published:Jul 24, 2026
    Last Modified:Jul 24, 2026
    EPS:Jul 24, 2026
    EPSS Score:0.00136
    CVSS Score:6.5

    Affected Products

    Vendor
    Profilegrid
    Product
    Profilegrid
    Vendor
    Wordpress
    Product
    Wordpress

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-284 Improper Access Control

    Related CVEs

    CVE-2026-16290 (CVSS 5.3) — The ProfileGrid WordPress plugin before 6.0.0.0 does not perform authorization checks before returning a grou…
    CVE-2026-16289 (CVSS 4.3) — The ProfileGrid WordPress plugin before 6.0.0.0 does not perform authorization checks when listing a group's …
    CVE-2026-16291 (CVSS 4.3) — The ProfileGrid WordPress plugin before 5.9.9.8 does not verify that a notification belongs to the requesting…
    CVE-2026-12687 (CVSS 7.5) — The ProfileGrid WordPress plugin before 5.9.9.8 does not restrict which group an anonymous visitor may regist…
    CVE-2026-12690 (CVSS 3.8) — The ProfileGrid WordPress plugin before 5.9.9.7 does not perform a capability check on its license management…
    CVE-2026-12689 (CVSS 5.4) — The ProfileGrid WordPress plugin before 5.9.9.7 does not perform any authorization or ownership check on some…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High