What is CVE-2026-102435?

CVE-2026-102435 is a critical-severity vulnerability in Themefic Ultra Addons For Contact Form 7, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2026-11-02.

How severe is CVE-2026-102435?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Deserialization in Themefic Ultra Addons For Contact Form 7

CVE-2026-102435

The Ultra Addons for Contact Form 7 plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation in the _getObjAttr function in all versions up to, and including, 3.5.54. This makes it possible for unauthenticated attackers to delete arbitrary files on the server, which can easily lead to remote code execution when the right file is deleted (such as wp-config.php). This requires the PDF Generator add-on to be active and a Contact Form 7 form to be configured for PDF generation, as the WPCF7_Submission POP gadget chain relies on CF7 being present to complete the file deletion via __destruct(). Note: This vulnerability can only be exploited when the PDF generator feature is enabled.

Vulnerability class: Insecure Deserialization

Published 2026-11-02 · last modified 2026-11-02.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Themefic Ultra Addons For Contact Form 7

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

Frequently asked questions

What is CVE-2026-102435?: CVE-2026-102435 is a critical-severity vulnerability in Themefic Ultra Addons For Contact Form 7, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2026-11-02.
How severe is CVE-2026-102435?: Critical severity. CVSS v3 base score is 9.8 out of 10.