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CVE-2026-40756 Mikado-Themes CVE debrief

CVE-2026-40756 is a high-severity vulnerability in the Zoya theme, affecting versions <= 1.4. This vulnerability allows unauthenticated PHP object injection, which can lead to significant damage. The CVSS score is 8.1, indicating a high level of severity. The vulnerability was published on June 17, 2026, and last modified on the same day. Users of the Zoya theme should take immediate action to mitigate this vulnerability.

Vendor
Mikado-Themes
Product
Zoya
CVSS
HIGH 8.1
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 Zoya theme, version <= 1.4, should be aware of this vulnerability and take necessary actions to secure their installations. This vulnerability can be exploited by unauthenticated attackers, making it a high-risk issue.

Technical summary

The vulnerability is caused by an unauthenticated PHP object injection in the Zoya theme, versions <= 1.4. This allows attackers to inject malicious PHP objects, potentially leading to code execution, data breaches, or other security issues. The CVSS vector is CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H, indicating a high level of severity.

Defensive priority

high

Recommended defensive actions

  • Update the Zoya theme to a version that is not vulnerable (>= 1.5).
  • Use a Web Application Firewall (WAF) to detect and prevent attacks.
  • Monitor your website for suspicious activity.
  • Implement secure coding practices to prevent similar vulnerabilities.
  • Regularly update and patch your software and plugins.
  • Consider using a security plugin or service to monitor and protect your website.

Evidence notes

The information provided is based on the CVE record and NVD details. The vulnerability was reported by Patchstack and has a CVSS score of 8.1. The CWE associated with this vulnerability is CWE-502.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-40756 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-40756

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

  • CVE-2026-40756 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-40756

    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.