CVE-2026-22338 ThemeREX CVE debrief

Who should care

Users of EcoBlue theme versions <= 1.15, security teams responsible for monitoring and mitigating vulnerabilities, and operators of platforms that utilize this theme should be aware of this vulnerability and take necessary actions to mitigate it. The vulnerability's high severity and potential impact make it a priority for affected parties to review and address.

Technical summary

The vulnerability is caused by an unauthenticated local file inclusion issue in EcoBlue theme versions <= 1.15. The CVSS vector is CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H. This vulnerability could allow an attacker to include arbitrary local files, potentially leading to sensitive information disclosure or code execution. The technical details of the vulnerability are limited, but it is clear that the vulnerability has a significant impact due to its high CVSS score.

Defensive priority

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

Recommended defensive actions

• Patch or update EcoBlue theme to a version that is not vulnerable
• Implement additional security measures to monitor and restrict file inclusion requests
• Review and update incident response plans to address potential exploitation
• 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 2026-06-17T13:20:08.490Z and last modified on 2026-06-17T17:16:44.217Z. The NVD entry is currently Deferred. The vulnerability has been reported in EcoBlue theme versions <= 1.15. However, detailed information about the vulnerability, such as the exact attack vector and potential impact, is limited. Defenders should verify the affected scope and review the official CVE record and NVD entry for further details.

Official resources