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CVE-2026-4703

CRITICAL 9.8 CVSS 3.1
Published
August 22, 2026
Last modified
October 12, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-502
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

The WS Form LITE – Drag & Drop Contact Form Builder plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.10.80 via deserialization of untrusted input from form submission meta values. This makes it possible for unauthenticated attackers to inject a PHP Object. No known POP chain is present in the vulnerable software, which means this vulnerability has no impact unless another plugin or theme containing a POP chain is installed on the site. If a POP chain is present via an additional plugin or theme installed on the target system, it may allow the attacker to perform actions like delete arbitrary files, retrieve sensitive data, or execute code depending on the POP chain present.

Affected WordPress components

  • WS Form LITE – Drag & Drop Contact Form Builder Plugin · ws-form
    Confirmed match Active
    Up to and including 1.10.80
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • westguard WS Form LITE – Drag & Drop Contact Form Builder — Up to and including 1.10.80

References