CVE-2026-121763

MediumCVSS 6.5/10Last modified Nov 9, 2026

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.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

Weakness enumeration

CWE-79

Affected software

No affected versions have been published.

Timeline

Published: Nov 9, 2026
Last modified: Nov 9, 2026
NVD status: Deferred

Related CVEs from 2026

CVE-2026-1217647.1Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in FolioVision FV Flowplayer Video Player CVE-2026-1217657.1Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Cozmoslabs TranslatePress translatepre CVE-2026-1217665.4Missing Authorization vulnerability in Blubrry Podcasting PowerPress Podcasting powerpress allows Exploiting Incorrectly Configured Access C CVE-2026-1217675.3Missing Authorization vulnerability in weDevs weDocs wedocs allows Exploiting Incorrectly Configured Access Control Security Levels.This iss CVE-2026-1217686.5Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Markus Wiesenhofer Contact Form 7 &#82 CVE-2026-1217698.5Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in axew3.com WP w3all phpBB wp-w3all-phpb CVE-2026-1217705.4Cross-Site Request Forgery (CSRF) vulnerability in VillaTheme VISeek viseek-easy-custom-search allows Cross Site Request Forgery.This issue CVE-2026-1217736.5Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in GeneratePress GenerateBlocks generateb CVE-2026-1217755.3Missing Authorization vulnerability in VillaTheme CURCY woo-multi-currency allows Exploiting Incorrectly Configured Access Control Security CVE-2026-1217775.3Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in Cool Plugins Cool Formkit Lite extensions-for CVE-2026-1217785.3Missing Authorization vulnerability in WP Lab WP-Lister Lite for Amazon wp-lister-for-amazon allows Exploiting Incorrectly Configured Access CVE-2026-1217795.3Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in YITH YITH WooCommerce Subscription yith-woocomme