CVE-2026-13390

The Events Calendar < 6.16.5.1 - Unauthenticated Event Aggregator Import Status Manipulation

Published Jul 27, 2026 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Theeventscalendar
Theeventscalendar the Events Calendar
Wordpress
Wordpress wordpress
Vendors & Products Theeventscalendar
Theeventscalendar the Events Calendar
Wordpress
Wordpress wordpress
Type Values Removed Values Added
Weaknesses CWE-862
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title The Events Calendar < 6.16.5.1 - Unauthenticated Event Aggregator Import Status Manipulation
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Jul 27, 2026, 2:10 PM
Reserved
Jun 26, 2026, 7:17 AM
Status
Deferred
Published
Jul 27, 2026, 7:16 AM
Modified
Jul 27, 2026, 8:33 PM