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CVE-2026-15795— Responsive Plus <= 3.5.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes

Quick assessment

Affected
cyberchimps Responsive Starter Templates – Elementor Templates & Starter Sites
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 的 Responsive Plus – Elementor 模板与起始站点插件在所有不超过 3.5.3 版本的软件中，由于输入过滤和输出转义处理不足，存在通过短代码属性进行的存储型跨站脚本（Stored Cross-Site Scripting, XSS）漏洞。该漏洞允许具有贡献者级别及以上访问权限的已认证攻击者在页面中注入任意 Web 脚本，每当有用户访问被注入的页面时，这些脚本便会执行。

CVSS 6.4 · Medium EPSS 0.19% · P8

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 1

VendorProduct Version RangeStatus
cyberchimps Responsive Starter Templates – Elementor Templates & Starter Sites ≤ 3.5.3 affected
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I. Basic Information for CVE-2026-15795

Vulnerability Information
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Vulnerability Title
Responsive Plus <= 3.5.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes
Source: CVE Program / CVE List V5
Vulnerability Description
The Responsive Plus – Elementor Templates & Starter Sites plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Shortcode Attributes in all versions up to, and including, 3.5.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-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

Affected Products

Vendor Product Affected Versions CPE Subscribe
cyberchimps Responsive Starter Templates – Elementor Templates & Starter Sites 0 ~ 3.5.3 -

II. Public POCs for CVE-2026-15795

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III. Intelligence Information for CVE-2026-15795

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Patches & Fixes for CVE-2026-15795 (1)

Vendor Advisories for CVE-2026-15795 (1)

IV. Related Vulnerabilities

Same vendor: cyberchimps
Same weakness: CWE-79

V. Comments for CVE-2026-15795

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