SEPTEMBER 15, 2026
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Case File

CVE-2026-11363

MEDIUM · CVSS 6.6 EPSS 0.68%

Source: NVD + CISA KEV + EPSS · Published 2026-09-09 · Last synced 2026-09-15

CyberRota Analysis

AI-Generated

The Ninja Forms plugin for WordPress is vulnerable to PHP Object Injection due to the deserialization of untrusted input, affecting all versions up to 3.14.6. Authenticated attackers with administrator-level access can exploit this vulnerability to inject a PHP Object, potentially leading to severe consequences if a vulnerable plugin or theme containing a PHP Object Pollution (POP) chain is present, allowing actions such as file deletion or arbitrary code execution. WordPress site administrators using this plugin should prioritize patching to mitigate the risk associated with this vulnerability.

CVE
CVE-2026-11363
Severity
MEDIUM
CVSS
6.6
EPSS
0.68%
WordPress

Original NVD Description

The Ninja Forms – The Contact Form Builder That Grows With You plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 3.14.6 via deserialization of untrusted input . This makes it possible for authenticated attackers, with administrator-level access and above, 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. The deserialization is triggered automatically during form import when WPN_Helper::build_nf_cache() invokes $action->get_settings() immediately after the crafted form is imported, requiring no further interaction beyond the import action itself.