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CVE-2026-116850— WordPress Happy Addons for Elementor plugin <= 3.50.1 - Cross Site Scripting (XSS) vulnerability

Quick assessment

Affected
weDevs Happy Addons for Elementor
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 weDevs Happy Addons for Elementor（happy-elementor-addons）插件中，存在“网页生成过程中输入未正确中和”（跨站脚本攻击，XSS）漏洞，可导致存储型 XSS 攻击。该问题影响 Happy Addons for Elementor 从未知版本至 3.50.1 的所有版本。

CVSS 6.5 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-116850

Vulnerability Information
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Vulnerability Title
WordPress Happy Addons for Elementor plugin <= 3.50.1 - Cross Site Scripting (XSS) vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in weDevs Happy Addons for Elementor happy-elementor-addons allows Stored XSS.This issue affects Happy Addons for Elementor: from n/a through 3.50.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
weDevs Happy Addons for Elementor 0 ~ 3.50.1 -

II. Public POCs for CVE-2026-116850

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-116850

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Other References for CVE-2026-116850 (1)

Same Patch Batch · weDevs · 2026-10-29 · 5 CVEs total

CVE-2026-109891 6.4 MEDIUM WordPress Happy Addons for Elementor plugin <= 3.50.1 - Broken Access Control vulnerabilit
CVE-2026-48884 5.3 MEDIUM WordPress WP User Frontend plugin <= 4.3.13 - Broken Access Control vulnerability
CVE-2026-52708 4.3 MEDIUM WordPress WP User Frontend plugin <= 4.3.13 - Broken Access Control vulnerability
CVE-2026-25448 4.3 MEDIUM WordPress WP ERP plugin <= 1.17.10 - Broken Access Control vulnerability

IV. Related Vulnerabilities

Same product: Happy Addons for Elementor
Same vendor: weDevs
Same weakness: CWE-79