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PatchSiren cyber security CVE debrief

CVE-2026-66566 Elated-Themes CVE debrief

CVE-2026-66566 is a high-severity vulnerability in the Ambient theme for WordPress, versions up to 1.7, which allows unauthenticated local file inclusion. This issue, tracked by CVE Program and detailed in the NVD, was publicly disclosed on October 10, 2026. The vulnerability's CVSS score is 8.1, indicating a high level of severity. According to the CVE description, the vulnerability could potentially allow attackers to include local files without authentication.

Vendor
Elated-Themes
Product
Ambient
CVSS
HIGH 8.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-10
Original CVE updated
2026-10-10
Advisory published
2026-10-10
Advisory updated
2026-10-10

Who should care

Defenders and security teams responsible for WordPress installations using the Ambient theme, versions up to 1.7, should assess their exposure and potential impact. This includes administrators, security analysts, and incident response teams.

Why it matters

CVE-2026-66566 is a high-severity vulnerability in the Ambient theme for WordPress, versions up to 1.7, allowing unauthenticated local file inclusion. Defenders should prioritize verifying exposure, assessing impact, and monitoring for updates to prevent potential security incidents.

  • Verification of exposure for Ambient theme versions up to 1.7 is necessary to prevent potential security incidents.
  • Assessing the impact on systems and prioritizing remediation can help prevent exploitation.
  • Monitoring for updates from the vendor or CVE Program is crucial for staying informed about this vulnerability.

Technical summary

CVE-2026-66566 is a high-severity vulnerability in the Ambient theme for WordPress, versions up to 1.7. The vulnerability allows unauthenticated local file inclusion, with a CVSS score of 8.1. The CVE description indicates that this issue could potentially allow attackers to include local files without authentication.

Defensive priority

Defenders should prioritize verifying exposure of Ambient theme versions up to 1.7 and assessing the potential impact on their systems.

Recommended defensive actions

  • Verify exposure of Ambient theme versions up to 1.7 in your WordPress installations.
  • Assess the potential impact on your systems and prioritize remediation.
  • Monitor for any updates from the vendor or CVE Program regarding this vulnerability.

Evidence notes

The CVE record and NVD detail page provide official information about the vulnerability. However, the corpus does not establish specific exploitation instances, impact, or remediation details, which require verification from the supplied official sources.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-66566 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-66566

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

  • CVE-2026-66566 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-66566

    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.