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CVE-2026-6459— Essential Addons for Elementor <= 6.6.2 - Authenticated (Author+) Stored Cross-Site Scripting via Event Calendar Widget Popup

Quick assessment

Affected
wpdevteam Essential Addons for Elementor – Popular Elementor Templates & Widgets
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.

WordPress Essential Addons for Elementor是WordPress基金会的一款提升Elementor功能的扩展插件集合。 WordPress Essential Addons for Elementor 6.6.2及之前版本存在跨站脚本漏洞，该漏洞源于对事件标题的输入清理和输出转义不足，可能导致已认证的攻击者（拥有作者级别及以上访问权限）在页面中注入任意Web脚本，当用户访问被注入的页面时执行。

CVSS 6.4 · Medium EPSS 0.32% · P25

Affected Version Matrix 1

VendorProduct Version RangeStatus
wpdevteam Essential Addons for Elementor – Popular Elementor Templates & Widgets ≤ 6.6.2 affected
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I. Basic Information for CVE-2026-6459

Vulnerability Information
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Vulnerability Title
Essential Addons for Elementor <= 6.6.2 - Authenticated (Author+) Stored Cross-Site Scripting via Event Calendar Widget Popup
Source: CVE Program / CVE List V5
Vulnerability Description
The Essential Addons for Elementor – Popular Elementor Templates & Widgets plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Event Calendar widget in all versions up to, and including, 6.6.2 due to insufficient input sanitization and output escaping on event titles sourced from The Events Calendar. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
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
Vulnerability Title
WordPress Essential Addons for Elementor 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Essential Addons for Elementor是WordPress基金会的一款提升Elementor功能的扩展插件集合。 WordPress Essential Addons for Elementor 6.6.2及之前版本存在跨站脚本漏洞，该漏洞源于对事件标题的输入清理和输出转义不足，可能导致已认证的攻击者（拥有作者级别及以上访问权限）在页面中注入任意Web脚本，当用户访问被注入的页面时执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
wpdevteam Essential Addons for Elementor – Popular Elementor Templates & Widgets 0 ~ 6.6.2 -

II. Public POCs for CVE-2026-6459

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III. Intelligence Information for CVE-2026-6459

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Patches & Fixes for CVE-2026-6459 (1)

Vendor Advisories for CVE-2026-6459 (1)

Security Blog Posts for CVE-2026-6459 (1)

IV. Related Vulnerabilities

Same product: Essential Addons for Elementor – Popular Elementor Templates & Widgets
Same vendor: wpdevteam
Same weakness: CWE-79

V. Comments for CVE-2026-6459

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