CVE-2026-4782— Avada Builder <= 3.15.2 - Authenticated (Subscriber+) Arbitrary File Read via 'custom_svg' Shortcode Parameter
Affected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| themefusion | Avada (Fusion) Builder | ≤ 3.15.2 | affected |
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I. Basic Information for CVE-2026-4782
Vulnerability Information
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Vulnerability Title
Avada Builder <= 3.15.2 - Authenticated (Subscriber+) Arbitrary File Read via 'custom_svg' Shortcode Parameter
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Avada Builder plugin for WordPress is vulnerable to Arbitrary File Read in all versions up to, and including, 3.15.2 via the 'fusion_get_svg_from_file' function with the 'custom_svg' parameter of the 'fusion_section_separator' shortcode. This makes it possible for authenticated attackers, with Subscriber-level access and above, to read the contents of arbitrary files on the server, which can contain sensitive information. The vulnerability was partially patched in version 3.15.2 and fully patched in version 3.15.3.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
绝对路径遍历
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress plugin Avada Builder 安全漏洞
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 Avada Builder 3.15.2及之前版本存在安全漏洞，该漏洞源于fusion_get_svg_from_file函数中的任意文件读取，可能导致经过身份验证的攻击者读取服务器上任意文件内容。
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 |
|---|---|---|---|---|
| themefusion | Avada (Fusion) Builder | 0 ~ 3.15.2 | - |
II. Public POCs for CVE-2026-4782
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same product: Avada (Fusion) Builder
- CVE-2026-4798
Avada Builder <= 3.15.1 - Unauthenticated SQL Injection via - CVE-2026-1541
Avada (Fusion) Builder <= 3.15.1 - Authenticated (Subscriber - CVE-2026-1509
Avada (Fusion) Builder <= 3.15.1 - Authenticated (Subscriber - CVE-2025-6747
Avada (Fusion) Builder <= 3.12.1 - Authenticated (Contributo - CVE-2025-1665
Avada Builder <= 3.11.14 - Authenticated (Contributor+) Stor
Same vendor: themefusion
- CVE-2026-4798
Avada Builder <= 3.15.1 - Unauthenticated SQL Injection via - CVE-2025-58922
WordPress Avada theme < 7.13.2 - Cross Site Request Forgery - CVE-2026-1509
Avada (Fusion) Builder <= 3.15.1 - Authenticated (Subscriber - CVE-2026-1541
Avada (Fusion) Builder <= 3.15.1 - Authenticated (Subscriber - CVE-2026-32542
WordPress Fusion Builder plugin < 3.15.0 - Reflected Cross S
Same weakness: CWE-36
V. Comments for CVE-2026-4782
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