CVE-2026-84740

The Events Calendar 6.12.0 - 6.17.5 - Unauthenticated Arbitrary Shortcode Execution via 'view_data' Parameter

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.

Affected

The Events Calendar

CVSS v3.1 WPSCAN

6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

EPSS

0.22% chance of exploitation in the next 30 days, 12th percentile

Published

2026-10-02

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/3381a51e-beaa-4420-a33b-6a68612a2e8a/

References

• CVE Record
• NVD entry