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PatchSiren cyber security CVE debrief

CVE-2026-40748 themagnifico52 CVE debrief

A critical vulnerability was discovered in the Kids Gift Shop WordPress theme version 0.5.4 and earlier. This vulnerability allows subscribers to upload arbitrary files, potentially leading to severe consequences, including code execution and compromise of the affected system. The vulnerability has a CVSS score of 9.9 and is considered critical. The issue was publicly disclosed on June 17, 2026.

Vendor
themagnifico52
Product
Kids Gift Shop
CVSS
CRITICAL 9.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-17
Original CVE updated
2026-06-17
Advisory published
2026-06-17
Advisory updated
2026-06-17

Who should care

Administrators and users of the Kids Gift Shop WordPress theme version 0.5.4 and earlier should be aware of this vulnerability and take immediate action to mitigate the risk. Additionally, security teams and WordPress administrators should prioritize patching or updating to a fixed version to prevent exploitation.

Technical summary

The Kids Gift Shop WordPress theme version 0.5.4 and earlier has a vulnerability that allows subscribers to upload arbitrary files. This vulnerability has a CVSS score of 9.9 and is considered critical. The CVSS vector is CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H, indicating a high impact on confidentiality, integrity, and availability. The vulnerability is classified under CWE-434.

Defensive priority

high

Recommended defensive actions

  • Update the Kids Gift Shop WordPress theme to a version that is not vulnerable.
  • Restrict file uploads to only trusted users.
  • Implement a Web Application Firewall (WAF) to detect and prevent suspicious file uploads.
  • Monitor the system for any suspicious activity.
  • Consider using a vulnerability scanner to identify other potential vulnerabilities.
  • Keep WordPress and its plugins up-to-date.
  • Use a secure file upload plugin to validate and sanitize file uploads.

Evidence notes

The vulnerability was reported by Patchstack and is publicly disclosed in the CVE record. The CVE record and NVD detail provide additional information about the vulnerability.

Official resources

public