What’s Vulnerable › Vulnerabilities
CVE-2026-13390: The Events Calendar < 6.16.5.1 - Unauthenticated Event Aggregator Import Status Manipulation
- Severity: medium (CVSS 5.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-07-27 · updated 2026-07-27
- Weakness: CWE-862
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.
Affected products
- stellarwp The Events Calendar: before 6.16.5.1 — fixed in 6.16.5.1
How to fix
Upgrade to a fixed version: stellarwp The Events Calendar 6.16.5.1. Check the vendor advisory for mitigations.
References
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