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9.8
CVE-2026-78657: SigmaForms Pro plugin can let attackers delete any file
CVE-2026-78657 · published 1 day ago
Summary
All versions of the SigmaForms Pro – AI Generated Forms plugin for WordPress up through 1.4.11 let anyone send a specially crafted request that makes the site delete files it shouldn't. This could remove critical files such as the site’s configuration, giving a hacker control over the website. Update the plugin to a newer safe version or remove it, and make sure only trusted administrators can delete form entries.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| bdthemes | sigmaforms pro – ai generated forms | <= 1.4.11 |
Original advisory text
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 version...
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.
Severity
9.8
Critical
CVSS 3.1: 9.8 (NVD)
Exploitation
EPSS <1%
Type
CWE-22Path Traversal
Timeline
Published2 Sep 2026
Updated2 Sep 2026
First seen2 Sep 2026
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