CVE-2025-46250: VPSUForm Contact Form Builder XSS Flaw

CVE-2025-46250 Overview

CVE-2025-46250 is a stored Cross-Site Scripting (XSS) vulnerability in the Vikas Ratudi VPSUForm (v-form) WordPress plugin, also marketed as the Lifetime Free Drag & Drop Contact Form Builder. The flaw affects all versions from initial release through 3.1.14 and stems from improper neutralization of user-supplied input during web page generation [CWE-79]. An authenticated attacker with elevated privileges can inject persistent JavaScript payloads that execute in the browsers of users who load the affected pages.

Critical Impact
An authenticated attacker with high privileges can persist malicious scripts in the plugin, enabling session theft, forced administrative actions, and content manipulation against any site visitor or administrator.

Affected Products

Vikas Ratudi VPSUForm (v-form) versions through 3.1.14
Lifetime Free Drag & Drop Contact Form Builder for WordPress
All WordPress installations with the vulnerable plugin active

Discovery Timeline

2025-04-22 - CVE-2025-46250 published to the National Vulnerability Database
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2025-46250

Vulnerability Analysis

The vulnerability is a stored XSS issue in the VPSUForm plugin's form-handling logic. The plugin accepts input from a privileged user context and writes that input into rendered HTML without sufficient encoding or sanitization. Because the payload is stored server-side, execution occurs each time an affected page is rendered in a browser. Exploitation requires user interaction, meaning a victim must load the page or component containing the injected content.

The scope is marked as changed, so the injected script executes in a security context beyond the vulnerable component. This allows attackers to influence administrative sessions and other WordPress site users. Confidentiality and integrity impacts are limited to what a browser session can access and modify.

Root Cause

The underlying weakness is improper neutralization of input during web page generation. The plugin fails to apply context-appropriate output encoding, such as esc_html(), esc_attr(), or wp_kses(), when rendering stored form configuration or content values. Attacker-controlled markup passes through the rendering pipeline unchanged and is interpreted as executable script by the browser.

Attack Vector

Exploitation is network-based and requires an authenticated account with high privileges on the target WordPress site. The attacker submits a payload containing HTML or JavaScript through a plugin input field that is later reflected on a page. When a victim, typically an administrator or another authenticated user, opens the affected page, the browser executes the stored payload. Refer to the Patchstack Advisory for VPSUForm for additional technical context.

// No verified proof-of-concept code is available for CVE-2025-46250.
// See the Patchstack advisory for technical details.

Detection Methods for CVE-2025-46250

Indicators of Compromise

Stored form definitions, labels, or field values containing <script> tags, javascript: URIs, or inline event handlers such as onerror= and onload=.
WordPress database rows in wp_options or plugin-specific tables holding unexpected HTML markup for VPSUForm entries.
Outbound browser requests from administrator sessions to unknown domains shortly after loading form management pages.

Detection Strategies

Query the WordPress database for VPSUForm records and inspect stored values for HTML tags and script-like content.
Review WordPress access logs for POST requests to VPSUForm administrative endpoints from unexpected accounts or IP addresses.
Enable Content Security Policy (CSP) reporting to surface inline script violations triggered by injected payloads.

Monitoring Recommendations

Monitor privileged WordPress account activity, including new user creation, role changes, and plugin configuration edits.
Alert on modifications to VPSUForm plugin data outside of expected maintenance windows.
Correlate administrator browser telemetry with unusual JavaScript execution or cross-origin requests originating from WordPress admin pages.

How to Mitigate CVE-2025-46250

Immediate Actions Required

Update the VPSUForm plugin to a version later than 3.1.14 once the vendor publishes a fix, or deactivate and remove the plugin if no patched version is available.
Audit all VPSUForm entries for stored HTML or JavaScript payloads and sanitize any suspicious records.
Rotate credentials for administrative WordPress accounts and invalidate active sessions.

Patch Information

At the time of publication, no fixed version beyond 3.1.14 is referenced in the advisory. Monitor the Patchstack Advisory for VPSUForm and the plugin's WordPress.org listing for an official patched release.

Workarounds

Restrict high-privilege WordPress roles to a minimal set of trusted administrators until a patch is applied.
Deploy a Web Application Firewall (WAF) rule that blocks HTML and script tokens in requests targeting VPSUForm administrative endpoints.
Enforce a strict Content Security Policy that disallows inline scripts on WordPress admin and public-facing pages.

bash

# Example: disable and remove the vulnerable plugin via WP-CLI
wp plugin deactivate v-form
wp plugin delete v-form