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CVE-2026-4246— ElementsKit Pro <= 4.10.1 - Unauthenticated Stored Cross-Site Scripting via 's' Parameter

Quick assessment

Affected
wpmet ElementsKit Pro
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.

wpmet ElementsKit Pro是wpmet公司的一款网页构建组件插件。 wpmet ElementsKit Pro 4.10.1及之前版本存在跨站脚本漏洞，该漏洞源于Advanced Search REST端点中's'参数输入清理和输出转义不足，可能导致未经身份验证的攻击者注入任意Web脚本，当用户触发“无结果”热门关键词视图时执行。

CVSS 6.1 · Medium EPSS 0.27% · P20

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise

Affected Version Matrix 1

VendorProduct Version RangeStatus
wpmet ElementsKit Pro ≤ 4.10.1 affected
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I. Basic Information for CVE-2026-4246

Vulnerability Information
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Vulnerability Title
ElementsKit Pro <= 4.10.1 - Unauthenticated Stored Cross-Site Scripting via 's' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The ElementsKit Pro plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 's' parameter of the Advanced Search REST endpoint in all versions up to, and including, 4.10.1 due to insufficient input sanitization and output escaping. The REST endpoint at /wp-json/elementskit/v1/advanced-search uses permission_callback set to __return_true, allowing unauthenticated access. Search terms are stored in the ekit_advanced_search_popular_keyword WordPress option via update_option(). While sanitize_text_field() is applied, it does not encode double quotes, and the stored keywords are rendered in HTML attributes via sprintf without esc_attr(), allowing attribute injection. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user triggers the "no results" popular keywords view on pages using the Advanced Search widget.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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
wpmet ElementsKit Pro 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
wpmet ElementsKit Pro是wpmet公司的一款网页构建组件插件。 wpmet ElementsKit Pro 4.10.1及之前版本存在跨站脚本漏洞，该漏洞源于Advanced Search REST端点中's'参数输入清理和输出转义不足，可能导致未经身份验证的攻击者注入任意Web脚本，当用户触发“无结果”热门关键词视图时执行。
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
wpmet ElementsKit Pro 0 ~ 4.10.1 -

II. Public POCs for CVE-2026-4246

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III. Intelligence Information for CVE-2026-4246

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Vendor Pages for CVE-2026-4246 (3)

Other References for CVE-2026-4246 (1)

IV. Related Vulnerabilities

Same product: ElementsKit Pro
Same vendor: wpmet
Same weakness: CWE-79

V. Comments for CVE-2026-4246

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