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CVE-2026-78657— SigmaForms Pro <= 1.4.11 - Unauthenticated Arbitrary File Deletion via Path Traversal in File Upload Field

Quick assessment

Affected
bdthemes SigmaForms Pro – AI Generated Forms
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.

bdthemes SigmaForms Pro是bdthemes公司的一款基于AI的WordPress表单构建插件。 bdthemes SigmaForms Pro 1.4.11及之前版本存在路径遍历漏洞，该漏洞源于delete_submission_files函数对文件路径验证不足，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，进而导致远程代码执行。

CVSS 9.8 · Critical EPSS 1.01% · P63

Affected Version Matrix 1

VendorProduct Version RangeStatus
bdthemes SigmaForms Pro – AI Generated Forms ≤ 1.4.11 affected
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I. Basic Information for CVE-2026-78657

Vulnerability Information
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Vulnerability Title
SigmaForms Pro <= 1.4.11 - Unauthenticated Arbitrary File Deletion via Path Traversal in File Upload Field
Source: CVE Program / CVE List V5
Vulnerability Description
The SigmaForms Pro – AI Generated Forms plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation in the delete_submission_files function in all versions up to, and including, 1.4.11. 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 malicious path traversal URL is submitted via form upload field and stored in the database, with deletion triggered when an administrator deletes the submission record from the admin panel.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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
bdthemes SigmaForms Pro 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
bdthemes SigmaForms Pro是bdthemes公司的一款基于AI的WordPress表单构建插件。 bdthemes SigmaForms Pro 1.4.11及之前版本存在路径遍历漏洞，该漏洞源于delete_submission_files函数对文件路径验证不足，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，进而导致远程代码执行。
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
bdthemes SigmaForms Pro – AI Generated Forms 0 ~ 1.4.11 -

II. Public POCs for CVE-2026-78657

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III. Intelligence Information for CVE-2026-78657

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Security Blog Posts for CVE-2026-78657 (1)

Vendor Pages for CVE-2026-78657 (1)

IV. Related Vulnerabilities

Same product: SigmaForms Pro – AI Generated Forms
Same vendor: bdthemes
Same weakness: CWE-22

V. Comments for CVE-2026-78657

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