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CVE-2026-42663 wp.insider CVE debrief

CVE-2026-42663 is a MEDIUM severity Unauthenticated Cross Site Scripting (XSS) vulnerability in Simple Membership plugin versions <= 4.7.2. The vulnerability was published on [cvePublishedAt] and last modified on [cveModifiedAt]. The CVSS score for this vulnerability is 6.5.

Vendor
wp.insider
Product
Simple Membership
CVSS
MEDIUM 6.5
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 <= 4.7.2 should be aware of this vulnerability and take necessary actions to mitigate it.

Technical summary

The vulnerability is an Unauthenticated Cross Site Scripting (XSS) in Simple Membership plugin versions <= 4.7.2. The CVSS vector for this vulnerability is CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L.

Defensive priority

MEDIUM

Recommended defensive actions

  • Update Simple Membership plugin to a version greater than 4.7.2.
  • Refer to [ref-4] for mitigation or vendor reference.

Evidence notes

The vulnerability was reported by Patchstack.

Official resources

CVE-2026-42663 was published on 2026-06-15T21:16:56.053Z and last modified on 2026-06-15T21:24:32.790Z.