CVE-2026-49105 Deserialization in WP Zendesk for Contact Form 7, WPForms, Elementor, Formidable and Ninja Forms
Unauthenticated attackers can exploit PHP object injection in the WP Zendesk plugin to potentially execute arbitrary code.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-49105?
CVE-2026-49105 is a critical unsafe deserialization vulnerability in CRM Perks WP Zendesk for Contact Form 7, WPForms, Elementor, Formidable and Ninja Forms, published on 15 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Unauthenticated PHP Object Injection in WP Zendesk for Contact Form 7, WPForms, Elementor, Formidable and Ninja Forms <= 1.1.4 versions.
Weakness: CWE-502
Which versions are affected by CVE-2026-49105?
How do I fix CVE-2026-49105?
No fix has been published for CVE-2026-49105 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2026-49105 being exploited?
There is no known exploitation of CVE-2026-49105 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-cr7j-78mh-rxpv.