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CVE-2026-84068 – Unauthenticated SQL Injection – Quentn WP WordPress Plugin (1.2.13–1.2.14)

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Summary

CVE-2026-84068 is an unauthenticated SQL Injection vulnerability in the Quentn WP WordPress plugin. The plugin fails to adequately escape a request parameter before using it in an unprepared SQL query, allowing an unauthenticated remote attacker to extract data from the site’s database. The issue carries a High severity rating (CVSS 8.6) and affects plugin versions 1.2.13 through 1.2.14.

Technical details

  • Root cause: The plugin does not adequately escape/sanitize a user-supplied request parameter before incorporating it into a SQL query that is executed without proper preparation.
  • Trigger conditions: An attacker sends a crafted HTTP request containing malicious input in the affected parameter to a WordPress site running the vulnerable plugin version.
  • Attack vector: Network-based; no authentication or user interaction is required.
  • Impact: Extraction of arbitrary data from the underlying database, which can expose sensitive information (e.g., user data, credentials) stored by the WordPress installation.

Affected software

  • Quentn WP WordPress plugin, versions 1.2.13 through 1.2.14.

Severity

  • CVSS v3.1 Base Score: 8.6 (High)
  • Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Mitigation and recommended actions

  • Immediate: Update the Quentn WP plugin to version 1.2.15 or later, which contains the fix for this vulnerability.
  • If immediate patching is not possible: Restrict or disable public access to the vulnerable plugin’s request endpoints, and monitor web server/application logs for anomalous requests containing SQL syntax or the affected parameter. Deploy a web application firewall rule to filter suspicious SQL injection payloads as an interim compensating control until the update can be applied.

How IONIX identifies potentially affected assets

IONIX matches the following signals against data already collected when it crawled the asset; identifying the technology sends no request beyond that crawl.

  • Raw response body: /wp-content/plugins/quentn-wp/

References

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Map your entire attack surface (continously)

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4

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IONIX transforms real-world PoCs into safe, non-intrusive test payloads that can be run in production environments without disruption. These simulations are precisely targeted to the systems that are vulnerable, ensuring rapid validation without unnecessary load.

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6

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Results are routed through integrations with ticketing, SOAR, and SIEM tools. Issues are written in plain language, bundled into remediation clusters, and prioritized based on asset criticality, exploitability, and blast radius. This shortens mean time to remediation (MTTR) and empowers teams to act with confidence.

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