Directory Traversal Vulnerability in Ultra Addons for Contact Form 7 Plugin by WordPress
CVE-2026-100386

7.5HIGH

Key Information:

Vendor

WordPress
Status
Ultra Addons For Contact Form 7
Vendor
CVE Published:
10 November 2026

What is CVE-2026-100386?

The Ultra Addons for Contact Form 7 plugin for WordPress has a vulnerability that allows unauthenticated attackers to perform a Directory Traversal attack through the uacf7_wpcf7_mail_components function. This exploit enables attackers to read arbitrary files on the server, potentially exposing sensitive data. This vulnerability is activated when the PDF Generator addon is enabled and an administrator-configured PDF body template is in use for contact forms. Users are encouraged to review their configurations and update to the latest version to mitigate associated risks.

Affected Version(s)

Ultra Addons for Contact Form 7 0 <= 3.5.54

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/ultimate-addon...
https://plugins.trac.wordpress.org/browser/ultimate-addon...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Eunho Kim
.