What is GHSA-5542-wp67-24rf?

GHSA-5542-wp67-24rf is a security advisory published by GitHub Security Advisories with High severity. The Knowledge Building WordPress plugin before 0.7.3 does not escape several user-supplied values...

Which CVE IDs does GHSA-5542-wp67-24rf cover?

GHSA-5542-wp67-24rf covers the following CVE IDs: CVE-2026-121863. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-5542-wp67-24rf?

GHSA-5542-wp67-24rf has a CVSS v3 base score of 7.1, published by GitHub Security Advisories.

GHSA-5542-wp67-24rfHighCVSS 7.1

The Knowledge Building WordPress plugin before 0.7.3 does not escape several user-supplied values...

Vendor

GitHub Security Advisories

Published

November 11, 2026

Last Modified

November 11, 2026

🔗 CVE IDs covered (1)

CVE-2026-121863 →

📋 Description

The Knowledge Building WordPress plugin before 0.7.3 does not escape several user-supplied values before echoing them back in the response of an AJAX action available to unauthenticated users, and serves that response as HTML, leading to a Reflected Cross-Site Scripting.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-121863
https://wpscan.com/vulnerability/80b4b9d0-e48b-4f24-b4bd-71dc37ac1602
https://github.com/advisories/GHSA-5542-wp67-24rf