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CVE-2026-73392 – Unauthenticated SQL Injection – Super Store Finder WordPress Plugin ≤ 7.8

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Summary

CVE-2026-73392 is an unauthenticated SQL injection vulnerability in the Super Store Finder WordPress plugin (developed by highwarden), affecting all versions up to and including 7.8. The flaw allows a remote, unauthenticated attacker to inject SQL statements via a plugin AJAX action and extract data directly from the site’s database. It carries a CVSS v3.1 base score of 9.3 (Critical).

Technical details

  • Root cause: the plugin fails to properly sanitize/parameterize a user-supplied parameter before using it in a SQL query executed through an unauthenticated AJAX action.
  • Trigger conditions: no authentication or user interaction is required; an attacker only needs network access to a WordPress site with the vulnerable plugin active.
  • Attack vector: Network (AV:N), low attack complexity, no privileges required, no user interaction.
  • Impact: high confidentiality impact (database contents, including sensitive data such as credentials or PII, can be extracted); low availability impact; no direct integrity impact reported.

Affected software

  • Super Store Finder WordPress plugin (slug: superstorefinder-wp), versions ≤ 7.8

Severity

  • CVSS v3.1 Base Score: 9.3 (Critical)
  • Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L

Mitigation and recommended actions

  • Immediate: As of publication, no official patched version has been released by the vendor. Security teams should monitor the vendor’s WordPress.org plugin page for an update and apply it as soon as it becomes available.
  • If no patch: Until a fix ships, consider deactivating and removing the Super Store Finder plugin from internet-facing WordPress installations, or restrict/limit access to the plugin’s AJAX endpoints (e.g., via a web application firewall rule blocking SQL injection patterns targeting the plugin’s AJAX actions). Monitor logs for anomalous requests to admin-ajax.php referencing the plugin’s actions.

References

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