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CVE-2026-80437— Ninja Forms 3.14.10 - 3.15.1 - Unauthenticated Arbitrary Shortcode Execution via IP and Referer Merge Tags

Quick assessment

Affected
Unknown Ninja Forms
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Ninja Forms WordPress 插件（3.14.10 至 3.15.2 之前的版本）未阻止来自请求的短代码在执行时未被过滤，导致当它将这些短代码替换到后续会进行短代码处理的内容中时，未认证用户可以执行站点上注册的任何短代码。

CVSS 4.8 · Medium EPSS 0.23% · P14

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown Ninja Forms 3.14.10< 3.15.2 affected
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I. Basic Information for CVE-2026-80437

Vulnerability Information
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Vulnerability Title
Ninja Forms 3.14.10 - 3.15.1 - Unauthenticated Arbitrary Shortcode Execution via IP and Referer Merge Tags
Source: CVE Program / CVE List V5
Vulnerability Description
The Ninja Forms WordPress plugin from 3.14.10 before 3.15.2 does not prevent shortcodes in request-derived values from being executed when it substitutes them into content it later processes for shortcodes, allowing unauthenticated users to run any shortcode registered on the site.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Unknown Ninja Forms 3.14.10 ~ 3.15.2 -

II. Public POCs for CVE-2026-80437

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-80437

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Security Blog Posts for CVE-2026-80437 (1)

Same Patch Batch · Unknown · 2026-09-06 · 10 CVEs total

CVE-2026-19859 6.5 MEDIUM JetFormBuilder < 3.6.5.2 - Unauthenticated Arbitrary Shortcode Execution via 'status' Para
CVE-2026-80439 4.8 MEDIUM Redirection for Contact Form 7 2.2.7 - 3.2.10 - Unauthenticated Arbitrary Shortcode Execut
CVE-2026-19862 4.8 MEDIUM JetFormBuilder < 3.6.5.2 - Unauthenticated Email Header Injection via Send Email Action
CVE-2026-85038 B2BKing < 5.2.40 - Unauthenticated B2B Group Assignment and Approval Bypass via Registrati
CVE-2026-84219 Kirki 6.2.1 - 6.2.5 - Unauthenticated Stored XSS via HTML Entity Decoding
CVE-2026-75793 SureCart < 4.7.0 - Unauthenticated Account Creation with Automatic Login
CVE-2026-18480 SureCart < 4.6.3 - Subscriber+ Administrator Account Takeover
CVE-2026-84028 Bold Page Builder < 5.9.9 - Contributor+ Stored XSS via Slider Elements' additional_settin
CVE-2026-13159 Real Estate Papi <= 1.0.5 - Subscriber+ Plugin Installation

IV. Related Vulnerabilities

Same product: Ninja Forms
Same vendor: Unknown

V. Comments for CVE-2026-80437

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