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PatchSiren cyber security CVE debrief

CVE-2026-42378 Themeisle CVE debrief

CVE-2026-42378 is a MEDIUM severity vulnerability (CVSS Score: 6.5) in the WP Full Stripe Free plugin for WordPress, affecting versions up to 8.4.1. The vulnerability is related to subscriber broken authentication. The CVE was published on 2026-06-15T21:16:53.863Z and modified on 2026-06-15T21:24:32.790Z.

Vendor
Themeisle
Product
WP Full Stripe Free
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 WP Full Stripe Free plugin for WordPress, particularly those with subscriber-level access, should be aware of this vulnerability. The vulnerability could potentially allow unauthorized access or actions by exploiting the broken authentication mechanism.

Technical summary

The vulnerability is described as CWE-288, which relates to authentication bypass. The CVSS vector is CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N, indicating that the vulnerability can be exploited over the network with low privileges and no user interaction, potentially leading to high confidentiality impacts.

Defensive priority

MEDIUM

Recommended defensive actions

  • Update WP Full Stripe Free plugin to a version that fixes this vulnerability.
  • Review and monitor subscriber-level access and activities on your WordPress site.
  • Consider implementing additional security measures for authentication and access control.

Evidence notes

The vulnerability information was obtained from Patchstack (see resourceLinkAnnotations). The CVE record and details are available from official sources like CVE.org and NVD.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-42378 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-42378

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

  • CVE-2026-42378 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-42378

    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.