What is GHSA-4c37-j68q-cmxj?

GHSA-4c37-j68q-cmxj is a security advisory published by GitHub Security Advisories with Medium severity. The Events Calendar WordPress plugin before 6.17.5.1 does not validate or sanitise data submitted...

Which CVE IDs does GHSA-4c37-j68q-cmxj cover?

GHSA-4c37-j68q-cmxj covers the following CVE IDs: CVE-2026-84740. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-4c37-j68q-cmxj?

GHSA-4c37-j68q-cmxj has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

GHSA-4c37-j68q-cmxjMediumCVSS 6.5

The Events Calendar WordPress plugin before 6.17.5.1 does not validate or sanitise data submitted...

Vendor

GitHub Security Advisories

Published

October 2, 2026

Last Modified

October 2, 2026

🔗 CVE IDs covered (1)

CVE-2026-84740 →

📋 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.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-84740
https://wpscan.com/vulnerability/3381a51e-beaa-4420-a33b-6a68612a2e8a
https://github.com/advisories/GHSA-4c37-j68q-cmxj