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CVE-2026-8713— themefusion Avada (Fusion) Builder 路径遍历漏洞

一分钟漏洞结论

影响对象
themefusion Avada (Fusion) Builder
利用判断
存在公开或 AI PoC,应优先验证
建议动作
优先检查厂商安全公告和参考链接中的修复版本;无法立即升级时,限制受影响服务暴露并加强监测。

themefusion Avada (Fusion) Builder是themefusion的页面构建器。 themefusion Avada (Fusion) Builder 3.15.3及之前版本存在路径遍历漏洞,该漏洞源于maybe_delete_files函数中的文件路径验证不足,可能导致未经身份验证的攻击者删除服务器上的任意文件,当删除正确文件(如wp-config.php)时可能导致远程代码执行。

CVSS 9.1 · Critical EPSS 2.67% · P85

公开利用映射 1

影响版本矩阵 1

厂商产品 版本范围状态
themefusion Avada (Fusion) Builder ≤ 3.15.3 affected
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一、 漏洞 CVE-2026-8713 基础信息

漏洞信息

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Vulnerability Title
Avada (Fusion) Builder <= 3.15.3 - Unauthenticated Arbitrary File Deletion via Form Entry Value
来源: CVE Program / CVE List V5
Vulnerability Description
The Avada (Fusion) Builder plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation in the maybe_delete_files function in all versions up to, and including, 3.15.3. This makes it possible for unauthenticated attackers to delete arbitrary files on the server, which can easily lead to remote code execution when the right file is deleted (such as wp-config.php). The attack requires a published Avada form configured to save entries to the database; an unauthenticated attacker submits a path-traversal payload via the wp_ajax_nopriv_fusion_form_submit_ajax handler while also controlling the fusion_privacy_expiration_interval and privacy_expiration_action fields to force an immediate 'delete' cleanup, causing the planted entry to be automatically processed by the Fusion_Form_DB_Privacy shutdown-hook routine without any administrator interaction.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
来源: CVE Program / CVE List V5
Vulnerability Title
themefusion Avada (Fusion) Builder 路径遍历漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
themefusion Avada (Fusion) Builder是themefusion的页面构建器。 themefusion Avada (Fusion) Builder 3.15.3及之前版本存在路径遍历漏洞,该漏洞源于maybe_delete_files函数中的文件路径验证不足,可能导致未经身份验证的攻击者删除服务器上的任意文件,当删除正确文件(如wp-config.php)时可能导致远程代码执行。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD

受影响产品

厂商 产品 影响版本 CPE 订阅
themefusion Avada (Fusion) Builder 0 ~ 3.15.3 -

二、漏洞 CVE-2026-8713 的公开POC

# POC 描述 源链接 神龙链接
1 The Avada (Fusion) Builder plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation in the maybe_delete_files function. An unauthenticated attacker can delete arbitrary files on the server by manipulating the file_path parameter in the fusion_form_maybe_delete_files AJAX action. Deleting critical files like wp-config.php can lead to complete site takeover via reinstallation. This template detects the vulnerable version via homepage asset URL versioning (primary) and readme.txt Stable tag (fallback). https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-8713.yaml POC详情
AI 生成 POC 高级
default-local-qwen3.6 · 5890 chars
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三、漏洞 CVE-2026-8713 的情报信息

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CVE-2026-8713 补丁与修复 (1)

CVE-2026-8713 新闻报道 (1)

IV. Related Vulnerabilities

V. Comments for CVE-2026-8713

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