rootpwn

high · CVSS v3 7.5 · EPSS 0.00164

CVE-2026-104246

The Contact Form 7 Signature Addon WordPress plugin through 4.2.2 does not sanitize a signature field value before build…

Description

The Contact Form 7 Signature Addon WordPress plugin through 4.2.2 does not sanitize a signature field value before building an email attachment path from it, allowing unauthenticated users to attach arbitrary files (bounded to wp-content on current Contact Form 7) to a form's outgoing email via path traversal; when a form is configured to email a copy to a submitter-controlled address, the attacker can read the targeted file.

Scores

Severity
high
CVSS v2
5
CVSS v3
7.5
CVSS v4
—
EPSS
0.00164

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