What’s Vulnerable › Vulnerabilities

CVE-2024-5085: Hash Form – Drag & Drop Form Builder <= 1.1.0 - Unauthenticated PHP Object Injection

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-23 · updated 2026-06-17
• Weakness: CWE-502

Description

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.

Affected products

• hashthemes Hash Form – Drag & Drop Form Builder: before 1.1.1 — fixed in 1.1.1

How to fix

Upgrade to a fixed version: hashthemes Hash Form – Drag & Drop Form Builder 1.1.1. Check the vendor advisory for mitigations.

References

• https://plugins.trac.wordpress.org/browser/hash-form/trunk/admin/classes/HashFormEntry.php#L353
• https://plugins.trac.wordpress.org/changeset/3090341/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/0166a2b2-24e2-4dd6-8842-d3e8dd7bb0dc?source=cve
• https://plugins.trac.wordpress.org/browser/hash-form/trunk/admin/classes/HashFormEntry.php#L353
• https://plugins.trac.wordpress.org/changeset/3090341/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/0166a2b2-24e2-4dd6-8842-d3e8dd7bb0dc?source=cve

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