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CVE-2026-40753 Mikado-Themes CVE debrief

CVE-2026-40753 is an Unauthenticated PHP Object Injection vulnerability in the EasyMeals theme versions <= 1.5.1. The vulnerability has a CVSS score of 8.1 and is classified as HIGH severity. This type of vulnerability allows attackers to execute arbitrary PHP code, potentially leading to significant impact on affected systems. Users of EasyMeals theme version 1.5.1 or earlier should apply patches or mitigations to prevent exploitation. The vulnerability exists due to an unauthenticated PHP object injection in the EasyMeals theme.

Vendor
Mikado-Themes
Product
EasyMeals
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

Users of EasyMeals theme version 1.5.1 or earlier should apply patches or mitigations to prevent exploitation. This includes operators, administrators, and security teams responsible for managing and securing their environments. Vulnerability management and security teams should prioritize patching or mitigating this vulnerability due to its high severity and potential for exploitation.

Technical summary

The vulnerability exists due to an unauthenticated PHP object injection in the EasyMeals theme. An attacker can exploit this vulnerability to execute arbitrary PHP code. This could lead to significant impact, including but not limited to, code execution, data breaches, or system compromise. Affected product context indicates that EasyMeals theme versions <= 1.5.1 are vulnerable.

Defensive priority

High priority should be given to patching or mitigating this vulnerability due to its high severity and potential for exploitation.

Recommended defensive actions

  • Apply patches or updates provided by the vendor
  • Implement input validation and sanitization
  • Monitor for suspicious activity
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE record was published on 2026-06-17T13:20:36.867Z and last modified on 2026-06-17T15:16:50.120Z. The EasyMeals theme versions <= 1.5.1 are affected by this vulnerability. Users should verify their deployments and apply patches or mitigations to prevent exploitation. The vulnerability has a CVSS score of 8.1 and is classified as HIGH severity. Evidence is limited to public sources and may not reflect the full scope of affected systems.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-40753 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-40753

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

  • CVE-2026-40753 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-40753

    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.