WordPress plugin
Event Organiser security & vulnerabilities
Unpatched vulnerability in the latest version
At least one vulnerability affects the latest version and no fix has been released. Deactivate the plugin or restrict access to the affected feature until the vendor ships a patch.
- Critical0
- High0
- Medium2
- Low0
All Event Organiser vulnerabilities
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Event Organiser: common questions
Does Event Organiser have known vulnerabilities?
Yes. VulnCrest Radar lists 2 known vulnerabilities in Event Organiser: 2 medium. At least one is not fixed in the latest version.
How do I check which version of Event Organiser I run?
In wp-admin open Plugins → Installed Plugins; the version is shown under the name. Without admin access, our passive Check my site tool can often read it from public files.
What is the most recent Event Organiser vulnerability?
CVE-2026-2387, published Jun 30, 2026: Event Organiser <= 3.12.9 - Authenticated (Contributor+) Stored Cross-Site Scripting via eo_events Shortcode. Severity: Medium (CVSS 6.4).
Is any Event Organiser vulnerability listed in CISA KEV?
No. None of the known Event Organiser vulnerabilities is currently listed in the CISA KEV catalog.