CVE-2026-65051

MEDIUMPre-NVD 6.56.5
EchelonGraph scoreLOW confidence

This medium-severity CVE scores 6.5 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit-prediction score not yet available (the EPSS model rescores nightly; freshly-published CVEs typically appear within 48 hours). GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: secondary
Trending — 3 sources updated this week
6.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.5Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Ninja Forms WordPress plugin version 3.14.8 contains a client-side enforcement of server-side security vulnerability that allows unauthenticated attackers to bypass all form validation by merging attacker-controlled field metadata over server-loaded form definitions before validation runs. Attackers can craft a malicious AJAX submission overriding field types, removing required flags, and disabling CAPTCHA checks through the nopriv AJAX endpoint to trigger form actions such as email notifications and database storage with unverified, attacker-controlled content.

CVSS v3
6.5
EG Score
6.5(low)
EPSS
20.4%
KEV
Not listed

Published

July 21, 2026

Last Modified

July 22, 2026

Advisory Details (3)

Auto-updated Jul 21, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet.
generic

Ninja Forms Server-Side Validation Bypass via Client-Controlled Field Metadata Merge in AJAX Submission Handler | Advisories | VulnCheck

https://www.vulncheck.com/advisories/ninja-forms-server-side-validation-bypass-via-client-controlled-field-metadata-merge-in-ajax-submission-handler
generic🔴 Active Exploitation

Ninja Forms – The Contact Form Builder That Grows With You – WordPress plugin | WordPress.org

https://wordpress.org/plugins/ninja-forms/changelog/
generic🔴 Active Exploitation

Ninja Forms – The Contact Form Builder That Grows With You – WordPress plugin | WordPress.org

https://wordpress.org/plugins/ninja-forms/

Vendor Advisories for CVE-2026-65051(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 5× in last 7d / 5× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-22 14:08 UTCEPSS rescore
  2. 2026-07-22 14:08 UTCEPSS rescore
  3. 2026-07-21 15:29 UTCEG score recompute
  4. 2026-07-21 14:39 UTCEG score recompute
  5. 2026-07-21 14:37 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-65051?
CVE-2026-65051 is a medium vulnerability published on July 21, 2026. Ninja Forms WordPress plugin version 3.14.8 contains a client-side enforcement of server-side security vulnerability that allows unauthenticated attackers to bypass all form validation by merging attacker-controlled field metadata over server-loaded form definitions before validation runs.…
When was CVE-2026-65051 disclosed?
CVE-2026-65051 was first published in the National Vulnerability Database on July 21, 2026, with the most recent update on July 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-65051 actively exploited?
CVE-2026-65051 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 20.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-65051?
CVE-2026-65051 has a CVSS v4.0 base score of 6.5 (CNA self-assessment; NVD's own analysis pending). The EG score is currently aggregating — additional source signals are being incorporated as they become available..
How do I remediate CVE-2026-65051?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-65051, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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