CVE-2026-80437: unknown ninja forms Injection

Vulnerability summary

CVE-2026-80437 is a medium (CVSS 6.5) Injection vulnerability in unknown ninja forms. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 14.4% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 3.15.2.

Timeline

1. 06-09-2026
   PublishedVulnerability first disclosed.
2. 06-09-2026
   Last modifiedVulnerability information updated.

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.

• CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.
• CWE-94Improper Control of Generation of Code ('Code Injection')The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.