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PatchSiren cyber security CVE debrief

CVE-2026-40727 Groundhogg CVE debrief

CVE-2026-40727 is a HIGH-severity vulnerability in Groundhogg, a WordPress plugin, affecting versions up to 4.4. This vulnerability allows a sales representative to delete arbitrary files, potentially leading to significant system compromise.

Vendor
Groundhogg
Product
Unknown
CVSS
HIGH 7.7
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-15
Original CVE updated
2026-06-15
Advisory published
2026-06-15
Advisory updated
2026-06-15

Who should care

Users of Groundhogg plugin version 4.4 or earlier should apply patches immediately to prevent potential file deletion attacks.

Technical summary

The vulnerability, tracked as CVE-2026-40727, has a CVSS score of 7.7 and is classified as HIGH severity. It allows sales representatives to delete arbitrary files due to improper input validation or authorization in Groundhogg versions up to 4.4.

Defensive priority

High

Recommended defensive actions

  • Apply patches: Update Groundhogg to a version beyond 4.4 as soon as possible.
  • Review system logs: Monitor for suspicious file deletion activities.
  • Restrict access: Ensure that sales representatives have the least privileges necessary.

Evidence notes

Evidence suggests that this vulnerability was discovered and reported through Patchstack, as indicated by the reference link provided.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-40727 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-40727

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

  • CVE-2026-40727 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-40727

    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.