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PatchSiren cyber security CVE debrief

CVE-2026-39640 mndpsingh287 CVE debrief

A Cross-Site Request Forgery (CSRF) vulnerability was discovered in the Theme Editor plugin, which could allow for code injection. The issue affects Theme Editor versions from n/a through 3.2. Administrators and users should be aware of this vulnerability and take necessary precautions. This vulnerability has a CVSS score of 9.6 and is classified as CRITICAL.

Vendor
mndpsingh287
Product
Theme Editor
CVSS
CRITICAL 9.6
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-08
Original CVE updated
2026-07-24
Advisory published
2026-04-08
Advisory updated
2026-07-24

Who should care

Administrators and users of the Theme Editor plugin, especially those using version 3.2 or earlier, should be aware of this vulnerability and take necessary precautions. They should review official advisories and implement necessary mitigations.

Technical summary

The CVE-2026-39640 vulnerability is a Cross-Site Request Forgery (CSRF) issue in the Theme Editor plugin. This vulnerability allows for code injection and affects Theme Editor versions from n/a through 3.2. It has a CVSS score of 9.6 and is classified as CRITICAL. Administrators and users of the Theme Editor plugin should be aware of this vulnerability.

Defensive priority

High

Recommended defensive actions

  • Update Theme Editor to a version beyond 3.2 if available
  • Implement CSRF protection measures
  • Monitor for suspicious activity related to the Theme Editor plugin
  • Consider compensating controls such as web application firewalls
  • Inventory checks for Theme Editor plugin usage

Evidence notes

The CVE record was published on 2026-04-08T09:16:34.803Z and last modified on 2026-07-24T21:10:00.143Z. The NVD entry is currently Deferred. Evidence is limited to CVE and NVD information. Defenders should verify affected product deployments and review official advisories.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-39640 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-39640

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

  • CVE-2026-39640 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-39640

    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.