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Threat intelligence

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

CVE-2026-16230 · formidable-signature

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Formidable Signature at a vulnerable version. How SiteRespond intelligence works

Vulnerability
Formidable Digital Signatures <= 3.0.6 - Unauthenticated Arbitrary File Deletion via Signature Field
Affected software
formidable-signature(Plugin)
Affected versions
  • ≤ 3.0.6
Authentication
Unauthenticated
Vulnerability type
Other
Published
11 August 2026
CISA KEV
Not listed in CISA KEV at last catalog refresh
Impact
This advisory describes a other issue in the affected software. Review the source advisory and your installed version to assess exposure.
Source

Data imported from Wordfence Intelligence (advisory c9a5f8ca-7efc-401b-8a93-07fbe7204dce). Methodology and redistribution notes

Check whether your installed version is affected

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