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CVE-2026-54187 – Unauthenticated SQL Injection – JetEngine WordPress Plugin ≤ 3.8.10.1

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Summary

CVE-2026-54187 is a critical unauthenticated SQL injection vulnerability in the JetEngine WordPress plugin by Jetimpex Inc. (Crocoblock), affecting all versions up to and including 3.8.10.1. With a CVSS v3.1 base score of 9.3, the flaw can be exploited remotely without any credentials or user interaction, enabling attackers to extract sensitive data directly from the underlying WordPress database.

Technical details

  • Root cause: Improper neutralization of special elements in SQL commands (CWE-89), exploited via a blind SQL injection technique (CAPEC-7).
  • Trigger conditions: No authentication or user interaction is required; the vulnerable endpoint is accessible over the network to any unauthenticated attacker.
  • Attack vector: Network-based (AV:N), low attack complexity (AC:L), no privileges required (PR:N), no user interaction (UI:N).
  • Impact: Successful exploitation allows an attacker to extract sensitive data from the WordPress database — including credentials, personally identifiable information (PII), and session tokens. The vulnerability carries a Changed scope (S:C), meaning impact can extend beyond the JetEngine plugin component to the broader WordPress installation. Confidentiality impact is rated High (C:H) and availability is partially impacted (A:L).

Affected software

  • JetEngine WordPress plugin by Jetimpex Inc. (Crocoblock) — all versions up to and including 3.8.10.1

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 3.8.10.2 or later, which contains the vendor-provided fix.
  • If immediate patching is not feasible, apply web application firewall (WAF) rules targeting SQL injection patterns to reduce exposure until the plugin can be updated.

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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Map your entire attack surface (continously)

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