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CVE-2026-9700 – Unauthenticated SQL Injection – Eventer WordPress Plugin ≤ 4.4.2

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Summary

CVE-2026-9700 is a high-severity, unauthenticated time-based SQL injection vulnerability in the Eventer WordPress plugin, affecting all versions up to and including 4.4.2. The flaw allows any remote, unauthenticated attacker to extract sensitive data from the underlying WordPress database with no privileges or user interaction required. It carries a CVSS v3.1 base score of 7.5 (High).

Technical details

  • Root cause: Insufficient escaping of user-supplied input in the code parameter, combined with a lack of proper SQL query preparation, allows attackers to append malicious SQL statements to existing database queries.
  • Trigger conditions: The vulnerability is triggered by sending a crafted HTTP request containing a malicious payload in the code parameter. No authentication or user interaction is required.
  • Attack vector: Fully remote and unauthenticated; the attack is delivered over the network (AV:N) with low complexity (AC:L), requiring no privileges (PR:N) and no victim interaction (UI:N).
  • Impact: Successful exploitation enables time-based blind SQL injection, allowing an attacker to systematically extract the full contents of the WordPress database. This may include user credentials, personally identifiable information (PII), session tokens, API keys, and other sensitive application data. There is no integrity or availability impact; the vulnerability is purely a confidentiality risk (C:H/I:N/A:N).

Affected software

  • Eventer WordPress Plugin by Jyothis Joy (joe007) — all versions ≤ 4.4.2

Severity

  • CVSS v3.1 Base Score: 7.5 (High)
  • Vector String: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  • CWE: CWE-89 – Improper Neutralization of Special Elements Used in an SQL Command

Mitigation and recommended actions

  • No patch is currently available. The Eventer plugin listing on WordPress.org has been closed as of June 29, 2026, and is not available for download pending review. No fixed version has been released.
  • Immediate action: Deactivate and remove the Eventer plugin from all WordPress installations. This eliminates the attack surface entirely until a patched version is made available by the vendor.
  • If removal is not immediately feasible: Implement a web application firewall (WAF) rule to block or inspect requests containing SQL metacharacters targeting the code parameter. Restrict network access to the WordPress installation where possible.
  • Monitor the plugin’s WordPress.org listing and CodeCanyon marketplace page for any security updates released by the vendor.

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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