CVE-2026-5428— Royal Addons for Elementor <= 1.7.1056 - Authenticated (Author+) Stored Cross-Site Scripting via Image Caption Field
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I. Basic Information for CVE-2026-5428
Vulnerability Information
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Vulnerability Title
Royal Addons for Elementor <= 1.7.1056 - Authenticated (Author+) Stored Cross-Site Scripting via Image Caption Field
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Royal Elementor Addons plugin for WordPress is vulnerable to Stored Cross-Site Scripting via image captions in the Image Grid/Slider/Carousel widget in versions up to and including 1.7.1056. This is due to insufficient output escaping in the render_post_thumbnail() function, where wp_kses_post() is used instead of esc_attr() for the alt attribute context. 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 a page with the malicious image displayed in the media grid widget.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
Vulnerability Title
WordPress plugin Royal Elementor Addons 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin Royal Elementor Addons 1.7.1056及之前版本存在跨站脚本漏洞，该漏洞源于render_post_thumbnail函数中输出转义不足，可能导致经过身份验证的攻击者注入任意Web脚本。
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 |
|---|---|---|---|---|
| wproyal | Royal Addons for Elementor – Addons and Templates Kit for Elementor | 0 ~ 1.7.1056 | - |
II. Public POCs for CVE-2026-5428
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
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Royal Addons for Elementor <= 1.7.1056 - Authenticated (Cont - CVE-2026-4803
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Royal Addons for Elementor <= 1.7.1056 - Missing Authorizati - CVE-2026-6229
Royal Addons for Elementor <= 1.7.1057 - Authenticated (Cont - CVE-2026-5162
Royal Addons for Elementor <= 1.7.1056 - Authenticated (Cont
Same vendor: wproyal
- CVE-2026-25436
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WordPress Royal Elementor Addons plugin < 1.7.1053 - Cross S - CVE-2026-5159
Royal Addons for Elementor <= 1.7.1056 - Authenticated (Cont - CVE-2026-4803
Royal Addons for Elementor <= 1.7.1056 - Unauthenticated Sto - CVE-2026-4024
Royal Addons for Elementor <= 1.7.1056 - Missing Authorizati
Same weakness: CWE-79
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V. Comments for CVE-2026-5428
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