CVE-2026-15256

MediumCVSS 4.8/10Last modified Aug 26, 2026

Description

The Ninja Forms WordPress plugin before 3.14.10 does not prevent user-supplied query-string input, used to pre-populate a form field's default value, from being processed as a shortcode, allowing unauthenticated attackers to execute arbitrary shortcodes registered on the site when a form so configured is embedded on a public page.

Metrics

CVSS 3.1 4.8/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Weakness enumeration

CWE-74

Affected software

No affected versions have been published.

Timeline

Published: Aug 6, 2026
Last modified: Aug 26, 2026
NVD status: Deferred

Related CVEs from 2026

CVE-2026-152575.3The RegistrationMagic WordPress plugin before 6.0.9.4 does not perform authorization, ownership or nonce checks on a front-end submission-e CVE-2026-152588.1The Product Feed Manager For WooCommerce WordPress plugin before 7.6.1 does not properly sanitise and escape product-feed custom filter rul CVE-2026-15267.5The undici WebSocket client is vulnerable to a denial-of-service attack via unbounded memory consumption during permessage-deflate decompres CVE-2026-152604.3The GEO my WP WordPress plugin before 4.5.5.3 does not perform any ownership or capability check on two of its logged-in AJAX actions, allow CVE-2026-152615.3The TI WooCommerce Wishlist WordPress plugin before 2.13.0 does not enforce the same owner-only access control on its REST API that it appli CVE-2026-152625.4The Admin Columns for ACF Fields WordPress plugin through 0.3.2 does not escape Advanced Custom Fields values before outputting them in the CVE-2026-152659.1A path traversal vulnerability in Tenable Agent 11.2.0 and 11.1.3 and lower allows a privileged attacker to write arbitrary files outside th CVE-2026-152676.5The Taskbuilder – Project Management & Task Management Tool With Kanban Board plugin for WordPress is vulnerable to SQL Injection via the 'w CVE-2026-15274.6ImpactWhen an application passes user-controlled input to the upgrade option of client.request(), an attacker can inject CRLF sequences (\r\CVE-2026-152707.5A weakness has been identified in D-link DIR-823G 1.0.2B05_20181207. Affected by this vulnerability is an unknown functionality of the file CVE-2026-152717.5A security vulnerability has been detected in TOTOLINK A3000RU, A3100R, A950RG, AC1200T10, CP450, CS185R_T10 and EX200 up to 20260906. Affec CVE-2026-152736.4The Automatic.css plugin for WordPress is vulnerable to Stored Cross-Site Scripting via REQUEST_URI in all version 4.0.0 due to insufficient