CVE-2026-100386
The Ultra Addons for Contact Form 7 plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 3.5.54 via the uacf7_wpcf7_mail_components function. This makes it possible for unauthenticated attackers to read the contents of arbitrary files on the server, which can contain sensitive information. Exploitation requires the PDF Generator addon to be active and an administrator-configured PDF body template to be enabled for the targeted contact form.
Executive briefing
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Evidence confidence: Not assessed Evidence-derived, not an exploitability verdict
Severity & attack characteristics
CVSS vector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Technical explanation & impact
Technical root-cause details are not available in the current source record.
Assess the impact using the published CVSS metrics and the affected vendor component.
Affected products and versions
NVD has not supplied machine-readable vulnerable CPE product/version entries for this CVE. This is an information gap, not proof that no products are affected. Check the vendor advisory references below.
Remediation & validation
- Identify exposure by comparing the affected product and version ranges with your asset inventory, SBOM and externally exposed services.
- Review the linked vendor security advisory or patch notes. Upgrade to a vendor-confirmed fixed release; do not infer a fixed version from the CVE description.
- Until patched, consider restricting network access or disabling the affected feature where operationally safe. These are temporary controls, not a substitute for a vendor fix.
- Validate the remediation with a version check and vulnerability rescan, then retain change evidence.
No fixed version is displayed unless it is explicitly established by a vendor advisory. Follow the vendor's release notes for exact product and branch applicability.
Vendor advisories, patches & exploit references
- https://downloads.wordpress.org/plugin/ultimate-addons-for-contact-form-7.zip VENDOR security@wordfence.com
- https://plugins.trac.wordpress.org/browser/ultimate-addons-for-contact-form-7/tags/3.5.50/addons/pdf-generator/pdf-generator.php#L625 VENDOR security@wordfence.com
- https://plugins.trac.wordpress.org/browser/ultimate-addons-for-contact-form-7/tags/3.5.50/addons/pdf-generator/pdf-generator.php#L782 VENDOR security@wordfence.com
- https://plugins.trac.wordpress.org/browser/ultimate-addons-for-contact-form-7/tags/3.5.50/addons/pdf-generator/pdf-generator.php#L950 VENDOR security@wordfence.com
- https://plugins.trac.wordpress.org/browser/ultimate-addons-for-contact-form-7/tags/3.5.50/addons/pdf-generator/pdf-generator.php#L963 VENDOR security@wordfence.com
- https://plugins.trac.wordpress.org/browser/ultimate-addons-for-contact-form-7/tags/3.5.52/addons/pdf-generator/pdf-generator.php#L625 VENDOR security@wordfence.com
- https://plugins.trac.wordpress.org/browser/ultimate-addons-for-contact-form-7/tags/3.5.52/addons/pdf-generator/pdf-generator.php#L782 VENDOR security@wordfence.com
- https://plugins.trac.wordpress.org/browser/ultimate-addons-for-contact-form-7/tags/3.5.52/addons/pdf-generator/pdf-generator.php#L950 VENDOR security@wordfence.com
- https://plugins.trac.wordpress.org/browser/ultimate-addons-for-contact-form-7/tags/3.5.52/addons/pdf-generator/pdf-generator.php#L963 VENDOR security@wordfence.com
- https://plugins.trac.wordpress.org/changeset/3738548/ultimate-addons-for-contact-form-7/trunk/addons/pdf-generator/pdf-generator.php VENDOR security@wordfence.com
- https://www.wordfence.com/threat-intel/vulnerabilities/id/a52d6222-688f-4300-b53d-db2cc31f924a?source=cve REFERENCE security@wordfence.com