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PatchSiren cyber security CVE debrief

CVE-2026-34886 wp.insider CVE debrief

CVE-2026-34886 is a HIGH severity vulnerability with a CVSS score of 7.5. It is an Unauthenticated Broken Access Control issue affecting Simple Membership plugin versions <= 4.7.1.

Vendor
wp.insider
Product
Simple Membership
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-15
Original CVE updated
2026-06-15
Advisory published
2026-06-15
Advisory updated
2026-06-15

Who should care

Users of Simple Membership plugin versions <= 4.7.1 should be aware of this vulnerability and take necessary actions to mitigate it.

Technical summary

The vulnerability has been described as CWE-862. The CVSS vector is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Defensive priority

HIGH

Recommended defensive actions

  • Update Simple Membership plugin to a version greater than 4.7.1.
  • Refer to resourceLinkAnnotations for additional mitigation or vendor references: ref-4.

Evidence notes

The CVE was published on 2026-06-15T21:16:41.600Z and last modified on 2026-06-15T21:24:32.790Z.

Official resources

CVE-2026-34886 was published on 2026-06-15T21:16:41.600Z.