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CVE-2026-65761 – Unauthenticated SQL Injection – Easy Store for Joomla versions 1.0.0–2.0.1

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Summary

CVE-2026-65761 is a critical unauthenticated SQL injection vulnerability in JoomShaper’s Easy Store (EasyStore) eCommerce extension for Joomla, affecting all versions from 1.0.0 through 2.0.1. The flaw received a CVSS 4.0 score of 9.3 (Critical) and requires no authentication or user interaction to exploit, making every internet-exposed EasyStore installation a high-priority remediation target. A patched version (2.0.2) was released on July 23, 2026.

Technical details

  • Root cause: The product listing endpoint accepts a sort-direction parameter (e.g., ASC/DESC) that is inserted directly into the SQL ORDER BY clause without validation against an allow-list of permitted values (CWE-89: Improper Neutralization of Special Elements used in an SQL Command). Comparable endpoints within the same extension correctly restrict this input; the vulnerable endpoint did not.
  • Trigger conditions: The injection is reachable via a standard HTTP request to the EasyStore product listing view. No account, session token, or prior access is required — any anonymous visitor can trigger the flaw.
  • Attack vector: Network (AV:N), no authentication (PR:N), no user interaction (UI:N), low attack complexity (AC:L).
  • Impact: Successful exploitation allows full read access to the Joomla database via time-based or error-based injection techniques, exposing user accounts, password hashes, site configuration secrets, session tokens, and all customer order records. Database access at this level can facilitate account takeover, credential stuffing, and deeper compromise of the hosting environment.

Affected software

  • Easy Store (EasyStore) extension for Joomla — versions 1.0.0 through 2.0.1 (all releases prior to 2.0.2)

Severity

  • CVSS 4.0 score: 9.3 (Critical)
  • CVSS 4.0 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: Update Easy Store to version 2.0.2 or later via Joomla’s Extension Manager. Version 2.0.2 (released July 23, 2026) restricts the sort-direction parameter to a fixed allow-list (ASC/DESC) before query execution.
  • Post-update: Clear Joomla’s cache and any upstream CDN or page caches to ensure the updated component is served.
  • If patching cannot be applied immediately: Consider temporarily disabling or restricting network access to EasyStore’s product listing endpoints at the web server or WAF layer until the update can be deployed.
  • If the vulnerable version was previously internet-exposed with live customer data: Treat the database contents as potentially exfiltrated. Rotate all Joomla administrator credentials, database passwords, and application secrets, and review session logs for signs of unauthorized access.

IONIX Status

The IONIX research team is tracking ongoing exploitation attempts and recommends immediate patching. Potentially affected assets are outlined in this post.

References

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