CVE-2026-65051 is a client-side enforcement of server-side security vulnerability in the Ninja Forms WordPress plugin version 3.14.8. The flaw arises because attacker-controlled field metadata supplied in an AJAX submission can be merged over the server-loaded form definition before validation executes. As a result, security-relevant properties of form fields can be overridden during processing, including field types, required-field settings, and CAPTCHA enforcement. Through the unauthenticated AJAX submission path, an attacker can submit crafted requests that bypass intended validation controls and cause the application to process unverified, attacker-controlled form content.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
1 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.