CVE-2026-121763
MEDIUM
NVD
CVSS Score
6.5
Severity
MEDIUM
Published
Nov 09, 2026
Vendor
unknown
Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPMU DEV Hummingbird hummingbird-performance allows Stored XSS.This issue affects Hummingbird: from n/a through 3.21.2.