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CVE-2026-49076 – Unauthenticated SQL Injection – JetEngine WordPress Plugin <= 3.8.9.1

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Summary

CVE-2026-49076 is a critical unauthenticated SQL injection vulnerability in the JetEngine WordPress plugin (versions <= 3.8.9.1), developed by Crocoblock (Jetimpex Inc.). Published on June 17, 2026 with a CVSS score of 9.3, this flaw allows any remote, unauthenticated attacker to submit malicious SQL queries and extract sensitive data directly from the WordPress database. The vulnerability was discovered by researcher daroo and is classified as highly dangerous with a high likelihood of mass exploitation.

Technical details

  • Root cause: Insufficient sanitization of attacker-controlled input before it is incorporated into SQL queries, classified as CWE-89 (Improper Neutralization of Special Elements used in an SQL Command).
  • Trigger conditions: No authentication, privileges, or user interaction are required — the flaw is exploitable by any unauthenticated remote attacker over the network.
  • Attack vector: Network-accessible HTTP/HTTPS request to a vulnerable JetEngine-powered WordPress site; no special preconditions beyond the plugin being active.
  • Impact: Successful exploitation enables arbitrary SQL query execution against the underlying WordPress database, with Confidentiality rated HIGH and Scope rated Changed — meaning the vulnerability crosses a security boundary, allowing the attacker to access data beyond the plugin’s own context. Sensitive data at risk includes user credentials, personally identifiable information (PII), session tokens, and application secrets stored in the WordPress database. Availability is rated LOW, reflecting a secondary disruption risk.

Affected software

  • JetEngine (WordPress plugin by Crocoblock / Jetimpex Inc.), all versions <= 3.8.9.1

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: Update the JetEngine plugin to version 3.8.10 or later, which contains the vendor-provided fix.
  • If immediate patching is not possible: Restrict public access to WordPress AJAX and REST API endpoints used by JetEngine at the web application firewall (WAF) or network layer until the patch can be applied.

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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