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CVE-2026-13390

Medium

Description

The Events Calendar WordPress plugin before 6.16.5.1 does not perform an authorization check on one of its Event Aggregator import REST API routes and skips an integrity check for a particular status value, allowing unauthenticated attackers to mark existing import records as failed and to store arbitrary content in a hidden comment record.

SeverityMedium
CVSS5.3
Exploit probability—
ProductThe Events Calendar
PublishedJul 27, 2026
First seenJul 27, 2026
Weakness typeCWE-862Missing authorization

How to fix

Update
  • The Events Calendar6.16.5.1 or later

Affected products

ProductAffected versionsFixed in
The Events Calendarv < 6.16.5.16.16.5.1

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