CVE-2026-54193— WordPress Fusion Builder plugin <= 3.15.4 - Arbitrary File Deletion vulnerability
Quick assessment
Affected
ThemeFusion Fusion Builder
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.
themefusion Fusion Builder是themefusion的一款WordPress页面构建插件。 ThemeFusion Fusion Builder 3.15.4及之前版本存在路径遍历漏洞，该漏洞源于任意文件删除问题，可能导致具有贡献者权限的用户删除任意文件。
Possible ATT&CK Techniques 1 AI
T1068 · Exploitation for Privilege EscalationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| ThemeFusion | Fusion Builder | n/a≤ 3.15.4 |
affected |
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I. Basic Information for CVE-2026-54193
Vulnerability Information
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Vulnerability Title
WordPress Fusion Builder plugin <= 3.15.4 - Arbitrary File Deletion vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Contributor Arbitrary File Deletion in Fusion Builder <= 3.15.4 versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
ThemeFusion Fusion Builder 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
themefusion Fusion Builder是themefusion的一款WordPress页面构建插件。 ThemeFusion Fusion Builder 3.15.4及之前版本存在路径遍历漏洞，该漏洞源于任意文件删除问题，可能导致具有贡献者权限的用户删除任意文件。
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 | Fusion Builder | n/a ~ 3.15.4 | - |
|
II. Public POCs for CVE-2026-54193
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
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V. Comments for CVE-2026-54193
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