The EventON - WordPress Virtual Event Calendar Plugin plugin for WordPress (full) is vulnerable to SQL Injection via the WordPress 'search' parameter in versions up to, and including, 5.0.11 due to insufficient escaping on the user supplied parameter and lack of preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database, granted the "Enable additional search queries" setting is enabled and at least one published event exists.
CVE-2026-9711 is a critical severity with CVSS 9.8 SQL Injection issue affecting the Plugin EventON (Pro) - WordPress Virtual Event Calendar Plugin. It affects Versions up to 5.0.11 and is listed without a confirmed patched release.
Use the related hub and response guides to connect this CVE-2026-9711 report with patch validation, scanner checks, and site hardening work.
Open the grouped hub for related CVEs, affected ranges, severity mix, and patch coverage.
Check access, XML-RPC exposure, backup readiness, and monitoring after patching.
Use containment, evidence capture, remediation, and validation steps when exploit risk is high.
CVE-2026-9711 is tracked for the Plugin EventON (Pro) - WordPress Virtual Event Calendar Plugin as critical severity with CVSS 9.8. The affected range is Versions up to 5.0.11. No fixed release is listed in this feed entry, so operators should monitor the vendor and reference links before accepting the risk.
Search engines and operators need more than a title. This page exposes the identifier, affected range, patch evidence, and source coverage that make the vulnerability actionable.
This report has a CVE identifier, which makes it suitable for focused search and vulnerability triage workflows.
Affected version data gives operators a concrete comparison point against installed WordPress software.
No patched version is listed, so the record is useful mainly for monitoring and risk acceptance decisions.
External references are available for source validation, advisory review, and incident notes.
Use these checks when converting this record into a patch ticket, incident note, or risk acceptance decision.
Inventory the installed Plugin package and compare its version with Versions up to 5.0.11.
Monitor vendor advisories because this SQL Injection issue has no fixed release listed here.
Review references and CVSS vector details for exploitability, authentication requirements, and exposure path.
After patching, re-run vulnerability monitoring and keep the related plugin or theme hub under review for follow-up CVEs.
| Software Type | Plugin |
|---|---|
| Software Slug |
eventON
View on wordpress.org
|
| CVE | CVE-2026-9711 |
| Patched Versions |
No patched versions published.
|
| Affected Versions |
Versions up to 5.0.11
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
EventON Pro <= 4.9.12 - Authenticated (Contributor+) Stored Cross-Site Scripting
EventON - WordPress Virtual Event Calendar Plugin <= 4.9.6 - Missing Authorization to Authenticated (Subscriber+) Stored Cross-Site Scripting
EventON <= 4.9.12 - Reflected Cross-Site Scripting
EventON <= 4.4.0 - Reflected Cross-Site Scripting
EventON <= 3.0.5 - Reflected Cross-Site Scripting
EventON (Pro) <= 4.9.9 - Missing Authorization
EventON <= 4.9.9 - Missing Authorization
EventON PRO - WordPress Virtual Event Calendar Plugin <= 4.6.8 - Cross-Site Request Forgery via admin_test_email
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