plugin

Formidable Signature Vulnerabilities

1 known security issue reported for the Formidable Signature WordPress plugin. Most recent disclosed Aug 11, 2026.

1 critical

Running Formidable Signature on your site? Check whether your installed version is affected.

Formidable Digital Signatures <= 3.0.6 - Unauthenticated Arbitrary File Deletion via Signature Field

critical

The Formidable Digital Signatures plugin for WordPress is vulnerable to file deletion due to insufficient file path validation in the delete_file function in all versions up to, and including, 3.0.6. This makes it possible for unauthenticated attackers to delete files on the server by supplying an attacker-controlled f...

CVSS:: 9.8
Affected:: up to 3.0.6
Fixed in:: 3.1
Disclosed:: Aug 11, 2026

CVE-2026-16230 on NVD →

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