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PatchSiren cyber security CVE debrief

CVE-2026-42639 Dev4Press CVE debrief

CVE-2026-42639 is a critical vulnerability in the GD Rating System plugin for WordPress, affecting versions up to and including 3.6.2. This vulnerability allows unauthenticated attackers to inject malicious SQL queries, potentially leading to data breaches or system compromise. The vulnerability was published on [cvePublishedAt] and has a CVSS score of 9.3, indicating a high severity level.

Vendor
Dev4Press
Product
GD Rating System
CVSS
CRITICAL 9.3
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

Administrators and users of WordPress sites utilizing the GD Rating System plugin versions up to and including 3.6.2 should prioritize updating to a patched version to mitigate this vulnerability.

Technical summary

The vulnerability is caused by an unauthenticated SQL injection weakness in the GD Rating System plugin. This allows attackers to execute arbitrary SQL queries on the database without needing authentication. The CVSS vector for this vulnerability is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L, indicating a high impact on confidentiality.

Defensive priority

High

Recommended defensive actions

  • Update the GD Rating System plugin to a version beyond 3.6.2 as soon as possible.
  • Review and monitor database activity for suspicious queries.
  • Consider implementing additional security measures such as web application firewalls (WAFs) to detect and prevent SQL injection attacks.

Evidence notes

Evidence for this vulnerability comes from Patchstack, as noted in the source item.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-42639 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-42639

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

  • CVE-2026-42639 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-42639

    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.