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PatchSiren cyber security CVE debrief

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.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-42663 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-42663

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-42663 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-42663

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.