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CVE-2026-76602 – Unauthenticated SQL Injection – Fabrik Joomla Extension (1.0.0 through 4.7.3)

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Summary

CVE-2026-76602 is an unauthenticated SQL injection vulnerability in the Fabrik extension for Joomla, caused by improper neutralization of special elements in an ORDER BY clause (CWE-89). It affects every version of Fabrik from 1.0.0 through 4.7.3 and carries a CVSS score of 9.3 (Critical), as it can be exploited remotely by an unauthenticated attacker with no user interaction required.

Technical details

  • Root cause: the order parameter used by Fabrik’s list models is passed into SQL queries without validation or sanitization before being placed into an ORDER BY clause.
  • Trigger conditions: a remote, unauthenticated request to a Fabrik list view that supplies an attacker-controlled order parameter value.
  • Attack vector: network-based, low attack complexity, no privileges and no user interaction needed.
  • Impact: read-based SQL injection, allowing an attacker to extract data from the underlying database; the CVSS vector indicates high impact to confidentiality, integrity, and availability.

Affected software

  • Fabrik extension for Joomla (fabrikar.com), versions 1.0.0 through 4.7.3.

Severity

  • CVSS v4.0 Base Score: 9.3 (Critical)
  • Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Mitigation and recommended actions

  • Immediate: upgrade Fabrik to the fixed version released after 4.7.3, which validates and sanitizes the order parameter before use in SQL queries.
  • If patching cannot be performed immediately: restrict or monitor access to Fabrik list-view endpoints, and use a web application firewall to filter requests containing anomalous order parameter values (e.g., SQL keywords or special characters) as a temporary compensating control.

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: /media/com_fabrik/, /components/com_fabrik/

References

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