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CVE-2026-49084 – Unauthenticated SQL Injection – JetEngine WordPress Plugin < 3.8.9.1

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Summary

CVE-2026-49084 is a critical unauthenticated Blind SQL Injection vulnerability in the JetEngine WordPress plugin (developed by Jetimpex Inc./Crocoblock), affecting all versions prior to 3.8.9.1. With a CVSS v3.1 score of 9.3 (Critical) and no authentication or user interaction required, remote attackers can inject arbitrary SQL commands and extract sensitive data from the underlying WordPress database. JetEngine is installed on over 100,000 active WordPress sites, making the potential scope of exposure significant.

Technical details

  • Root cause: Insufficient input sanitization and lack of proper SQL query parameterization in JetEngine’s database query handling, classified as CWE-89 (Improper Neutralization of Special Elements Used in an SQL Command) and CAPEC-7 (Blind SQL Injection).
  • Trigger conditions: The vulnerability is exploitable via unauthenticated HTTP requests — no valid WordPress account or session is needed. No user interaction on the victim side is required.
  • Attack vector: Network-based; an attacker sends a crafted HTTP request directly to the targeted WordPress server.
  • Impact: Successful exploitation allows exfiltration of sensitive database contents — including WordPress user credentials (login names and password hashes), personally identifiable information, plugin configuration data, and other stored records. The CVSS Scope metric is Changed, meaning the impact extends beyond the vulnerable component itself. Confidentiality impact is High; availability impact is Low; integrity impact is None.
  • Vulnerability was discovered by researcher "Bonds" and responsibly disclosed.

Affected software

  • JetEngine WordPress Plugin — all versions prior to 3.8.9.1 (by Jetimpex Inc./Crocoblock)

Severity

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

Mitigation and recommended actions

  • Immediate action: Update JetEngine to version 3.8.9.1 or later. This is the vendor-released fix addressing CVE-2026-49084. The update is available via the WordPress plugin dashboard or directly from Crocoblock.
  • If immediate patching is not possible: Restrict public access to WordPress AJAX endpoints (/wp-admin/admin-ajax.php) via web application firewall rules or network controls, and review database access logs for signs of anomalous query activity.
  • Ongoing hygiene: Audit all JetEngine installations across your web properties and confirm plugin auto-updates are enabled or that a patch cadence is in place for third-party WordPress plugins.

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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