The Events Calendar WordPress plugin before 6.17.5.1 does not validate or sanitise data submitted to an unauthenticated AJAX action before merging it into its rendering context, allowing unauthenticated users to execute arbitrary shortcodes registered on the site.
History

Sun, 04 Oct 2026 22:15:00 +0000

Type Values Removed Values Added
First Time appeared Wordpress-extensions
Wordpress-extensions the Events Calendar
Vendors & Products Wordpress-extensions
Wordpress-extensions the Events Calendar

Fri, 02 Oct 2026 14:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-94

Fri, 02 Oct 2026 11:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-74
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 02 Oct 2026 10:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-94

Fri, 02 Oct 2026 07:15:00 +0000

Type Values Removed Values Added
Description The Events Calendar WordPress plugin before 6.17.5.1 does not validate or sanitise data submitted to an unauthenticated AJAX action before merging it into its rendering context, allowing unauthenticated users to execute arbitrary shortcodes registered on the site.
Title The Events Calendar 6.12.0 - 6.17.5 - Unauthenticated Arbitrary Shortcode Execution via 'view_data' Parameter
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published: 2026-10-02T06:56:50.295Z

Updated: 2026-10-02T10:54:10.668Z

Reserved: 2026-09-02T08:41:15.939Z

Link: CVE-2026-84740

cve-icon Vulnrichment

Updated: 2026-10-02T10:44:40.775Z

cve-icon NVD

Status : Deferred

Published: 2026-10-02T07:16:38.000

Modified: 2026-10-02T18:00:34.733

Link: CVE-2026-84740

cve-icon Redhat

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