CVE WATCH / VULNERABILITY DETAIL
CVE-2026-121863
HIGHCVSS 7.1NVD feed
Published 11 November 2026 · tracked since 12 November 2026
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
- NVD — National Vulnerability Database
- CVE.org record (MITRE)
- CISA Known Exploited Vulnerabilities catalog
Latest tracked vulnerabilities
- CVE-2026-120151 HIGH 8.8
- CVE-2026-120150 HIGH 8.8
- CVE-2026-120149 HIGH 8.8
- CVE-2026-120147 HIGH 8.8
- CVE-2026-120145 HIGH 8.8
- CVE-2026-120144 HIGH 8.8
- CVE-2026-120143 HIGH 8.8
- CVE-2026-120142 HIGH 8.8
- CVE-2026-120141 HIGH 8.8
- CVE-2026-120139 HIGH 8.8