The Hash Form – Drag & Drop Form Builder plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.1.0 via deserialization of untrusted input in the 'process_entry' function. This makes it possible for unauthenticated attackers to inject a PHP Object. No known POP chain is present in the vulnerable software. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Hash Form Plugin | — | Update hash-form plugin to version 1.1.1, or a newer patched version | May 15, 2025 | May 22, 2024 |
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