Vulnerability · Published Oct 2, 2026 · Assigned by WPScan
CVE-2026-84740The Events Calendar 6.12.0 - 6.17.5 - Unauthenticated Arbitrary Shortcode Execution via 'view_data' Parameter
Medium 6.5
In plain English
A medium-severity injection in The Events Calendar from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.2%top 87.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | The Events Calendar | 6.12.0 – before 6.17.5.1 |
Weakness: CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
References
- https://wpscan.com/vulnerability/3381a51e-beaa-4420-a33b-6a68612a2e8a/ exploit, vdb-entry, technical-description