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Scan & simplify dev workflows
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Loading vulnerability database

BACK TO VEDB

CVE-2026-84740: Improper Neutralization of Special Elements in Output Used by a Downstream Component

Name: CVE-2026-84740: Improper Neutralization of Special Elements in Output Used by a Downstream Component
Creator: Rapid7
Published: 2026-10-02T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-84740, CWE-74, CVSS 6.5, EPSS 0.00223

REQUEST DEMO

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.

CVSS Details

CVSS 3.1 Base Score: 6.5
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)

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CVE details

CVSS v4 ScoreN/A

CVSS v3 Score

6.5 Medium

EPSS Score0%

EPSS Percentile12%

In CISA KEV CatalogueFalse

Published

Oct 2, 2026

References

MITRE ↗
NVD ↗

MDR Buyer's Guide

Global Threat Landscape Report