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.
Published: 2026-10-02
Score: 6.5 Medium
EPSS: < 1% Very Low
KEV: No
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

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'}


Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

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 : Received

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

Modified: 2026-10-02T11:17:35.207

Link: CVE-2026-84740

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-02T14:15:15Z

Weaknesses
  • CWE-74

    Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')