What is GHSA-x423-2wcq-r3qx?

GHSA-x423-2wcq-r3qx is a security advisory published by GitHub Security Advisories with unknown severity. The Calendar WordPress plugin before 1.3.18 does not properly escape a user-supplied event field...

Which CVE IDs does GHSA-x423-2wcq-r3qx cover?

GHSA-x423-2wcq-r3qx covers the following CVE IDs: CVE-2026-14827. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-x423-2wcq-r3qxunknown

The Calendar WordPress plugin before 1.3.18 does not properly escape a user-supplied event field...

Vendor

GitHub Security Advisories

Published

July 27, 2026

Last Modified

July 27, 2026

🔗 CVE IDs covered (1)

CVE-2026-14827 →

📋 Description

The Calendar WordPress plugin before 1.3.18 does not properly escape a user-supplied event field before outputting it inside an HTML attribute on a public-facing page, allowing users with the Contributor role to inject arbitrary JavaScript that executes in the browser of anyone viewing the calendar.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-14827
https://wpscan.com/vulnerability/b2981b41-b712-43d9-a327-3a376346cec5
https://github.com/advisories/GHSA-x423-2wcq-r3qx