SEPTEMBER 15, 2026
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Case File

CVE-2026-78657

CRITICAL · CVSS 9.8 EPSS 0.72% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-02 · Last synced 2026-09-15

CyberRota Analysis

AI-Generated

The SigmaForms Pro – AI Generated Forms plugin for WordPress is vulnerable to arbitrary file deletion due to inadequate file path validation in its delete_submission_files function, affecting all versions up to 1.4.11. This flaw allows unauthenticated attackers to delete critical files on the server, potentially leading to remote code execution if sensitive files like wp-config.php are targeted. WordPress site administrators using this plugin should prioritize immediate updates to mitigate the risk of exploitation.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
remote code execution code execution

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-78657
Severity
CRITICAL
CVSS
9.8
EPSS
0.72%
WordPress

Original NVD 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.